What is x and y is 6x + 20y = 11.9

What is x and y is 6x + 20y = 11.9 and 2x + 15y = 6.05
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Multiply the second equation by 3: 6x+45y=18.15.

Subtract the first equation:

25y=6.25, y=0.25.

6x+20×0.25=11.9, 6x+5=11.9, 6x=6.9, x=6.9/6=2.3/2=1.15.

So x=1.15 and y=0.25.

by Top Rated User (679k points)

Related questions

1 answer
what is the LCM 20y^3x^4, 4y^4x^9
asked May 3, 2013 in Algebra 1 Answers by anonymous | 139 views
1 answer
What is the coefficient of x^20y^80 in the expansion of (7x - 3y)^100?
asked Oct 26, 2017 in Other Math Topics by kate98 Level 1 User (200 points) | 46 views
1 answer
write an expression equivalent to 15x+20y
asked Apr 4, 2014 in Algebra 1 Answers by melody | 190 views
1 answer
20Y^2+25Y+5
asked Jan 10, 2014 in Algebra 1 Answers by Kelly | 104 views
1 answer
how to solve this problem 0.20y-0.1=0.10y+2-0.6y
asked Oct 1, 2013 in Algebra 1 Answers by pattyguest | 123 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. what percent of 897.77 is 84.95? (120)
  2. 2 + 6+ 10+ 14 + 18 + 22 + 26+ 30+ 34 + 38 = 200 To inme se kisi 5 ko Total kar ke 100 banaao.! (21)
  3. use the number 913,256. write the name of the period that has the digits 913. (24)
  4. how to find the ratio (74)
  5. What is the answer? (81)
  6. 5+5x5+5=??? (67)
  7. how do i solve -y=x+4 (7)
  8. When dividing variable expressions with like bases it is appropriate to subtract the exponents. (11)
  9. what is the height of a sail who's area is 104 square in and the base is 13 in? (3)
  10. whats the answer (136)

Most popular tags

algebra problems solving equations word problems calculating percentages math problem geometry problems calculus problems fraction problems trigonometry problems rounding numbers simplifying expressions solve for x order of operations pre algebra problems algebra probability word problem evaluate the expression slope intercept form factoring statistics problems polynomials solving inequalities how to find y intercept 6th grade math equation of a line math algebra 2 problems logarithmic equations sequences and series solving systems of equations by substitution dividing fractions greatest common factor square roots geometric shapes graphing linear equations long division solving systems of equations least to greatest substitution method dividing decimals least common multiple proving trigonometric identities factoring polynomials ratio and proportion trig identity standard form of an equation precalculus problems http: mathhomeworkanswers.org ask#
83,655 questions
88,542 answers
1,985 comments
5,694 users