If (a,-7) is a solution to the equation 8a = -3b-5, what is a

If (a,-7) is a solution to the equation 8a = -3b-5, what is a?
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

Plug in b=-7: 8a=21-5=16, so a=16/8=2.

by Top Rated User (720k points)

Related questions

1 answer
What is 8a(a+3b) =
asked Nov 14, 2013 in Pre-Algebra Answers by angela | 161 views
1 answer
what is the solution of (1/4+3b)(1/10-4b)=0
asked Apr 22, 2012 in Fraction Problems by PLHanson Level 1 User (120 points) | 192 views
1 answer
8a-5/13=5a-4/8...solve the equation
asked Nov 8, 2013 in Algebra 1 Answers by anonymous | 152 views
1 answer
how do you solve the equation 5a - 3 <8a
asked Jan 29, 2013 in Algebra 1 Answers by anonymous | 123 views
1 answer
(3a-2)(8a+7)
asked Apr 26, 2013 in Algebra 1 Answers by anonymous | 104 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. 2 + 6+ 10+ 14 + 18 + 22 + 26+ 30+ 34 + 38 = 200 To inme se kisi 5 ko Total kar ke 100 banaao.! (23)
  2. use the number 913,256. write the name of the period that has the digits 913. (24)
  3. 5+5x5+5=??? (70)
  4. When dividing variable expressions with like bases it is appropriate to subtract the exponents. (11)
  5. what is the height of a sail who's area is 104 square in and the base is 13 in? (3)
  6. 4x4+4x4+4-4x4=? (148)
  7. Find the cube of 3x-2y-4z (1)
  8. what is the product when calculating with roman numerals? DD x C= ? (29)
  9. what is (x-5)(x-5)? (1)
  10. If 9999=4 8888=8 1818=4 1212=0 then 1919=? (17)

Most popular tags

algebra problems solving equations word problems calculating percentages math problem geometry problems calculus problems math 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 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 dividing decimals substitution method least common multiple factoring polynomials proving trigonometric identities ratio and proportion trig identity standard form of an equation precalculus problems http: mathhomeworkanswers.org ask# solving equations with fractions
84,549 questions
89,515 answers
2,000 comments
13,643 users