27-03-2017
Mathematics

contestada

How do i do this and tell me how u got the answer

How do i do this and tell me how u got the answer class=

Respuesta :

StephanieGX StephanieGX

27-03-2017

Substitute.
2x+(2x -15) = -3

4x -15 = -3
Add 15 to both sides

4x = 12

Divide by 4

X=3

2(3) + y = -3

6+y=-3
-6 from both sides
Y=-9

(3,-9)

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