3x-7+-4x-8=

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Solution for 3x-7+-4x-8= equation:


Simplifying
3x + -7 + -4x + -8 = 0

Reorder the terms:
-7 + -8 + 3x + -4x = 0

Combine like terms: -7 + -8 = -15
-15 + 3x + -4x = 0

Combine like terms: 3x + -4x = -1x
-15 + -1x = 0

Solving
-15 + -1x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -1x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 0 + 15
-1x = 0 + 15

Combine like terms: 0 + 15 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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