2x-y=2, 9x-4y=2 method of substitution, linear equation tpe in ordered pair

method of substition linear equation. type the ordered pair
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3 Answers

2x-y=2       y=2x-2

9x-4y=2

9x-4(2x-2)=2

9x-8x+8=2

x=2-8=-6

y=2(-6)-2=-12-2=-14

(x,y)=(-6,-14)

by Level 8 User (32.3k points)
5a = 6 - b

5a = 7 - b

 

Use the method of substitution to solve the system of linear equaiton

Is there one soultion? The solution?

There is infinelty solutions?

There are no solutions?
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is the ordered pair (-1,3) a root of the equation x+y=2
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