I need to use then equal value method on y=3x-17 and -2x+2y=-18 and I need help converting -2x+2y=-18 so it works

x = 4 ; y = -5

Step-by-step explanation:

we have to bring -2x in the right side of equal. To do this we have to change the sign of its coefficient

2y = 2x - 18

now we have to divide the two members by two

y = x - 9

now we can proceed

3x -17 = x-9

2x = 8

x = 4

now we can take one of the two expression and sobstitute x with 4 , so we can find y

y = 4 - 9

y = -5

step-by-step explanation:

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