-3x-4x-8=15

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Solution for -3x-4x-8=15 equation:


Simplifying
-3x + -4x + -8 = 15

Reorder the terms:
-8 + -3x + -4x = 15

Combine like terms: -3x + -4x = -7x
-8 + -7x = 15

Solving
-8 + -7x = 15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -7x = 15 + 8

Combine like terms: -8 + 8 = 0
0 + -7x = 15 + 8
-7x = 15 + 8

Combine like terms: 15 + 8 = 23
-7x = 23

Divide each side by '-7'.
x = -3.285714286

Simplifying
x = -3.285714286

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