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help me pls the questions are here

Solve for x

a.) 3x+7=-x-1

b.) 1-2x+5=4x-3

c.) -2x-6=2-4x-(x-1)

d.) 3x-4+1=2x-5+5x

Respuesta :

taniaorozco
3x + 7 = -x - 1
3x + 7 + = -1
4x + 7 = -1
4x = -1 - 7
4x = -8
x = -2

1 - 2x + 5 = 4x - 3
-2x + 6 = 4x - 3
6 = 4x - 3 + 2x
6 = 6x - 3
6 + 3 = 6x
9 = 6x
x = 6/9
x = 2/3

i helped you with the first two questions so you can see how you can solve it.

hope this helps, God bless!

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