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3 years ago

Y=3×+7 y=×-9 what is the solution of the equation

2 answers:

7 0

Since both equations are equal to y you can just make them equal to each other, like this 3x + 7 = x - 9. From there isolate the varible x on one side so that the solution will be on the other side of the equation. I'll do the steps too for you.

3x + 7 = x - 9

2x + 7 = -9

2x = -16

x = -8

Hope this helps :)

Taya2010 [7]3 years ago

4 0

The answer is -8 because you set the equations equal to each other and solve for x

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