-x-2x+4x-8=7

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Solution for -x-2x+4x-8=7 equation:


Simplifying
-1x + -2x + 4x + -8 = 7

Reorder the terms:
-8 + -1x + -2x + 4x = 7

Combine like terms: -1x + -2x = -3x
-8 + -3x + 4x = 7

Combine like terms: -3x + 4x = 1x
-8 + 1x = 7

Solving
-8 + 1x = 7

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 + 1x = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 1x = 7 + 8
1x = 7 + 8

Combine like terms: 7 + 8 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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