15-7=-8x+4x+2x

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Solution for 15-7=-8x+4x+2x equation:


Simplifying
15 + -7 = -8x + 4x + 2x

Combine like terms: 15 + -7 = 8
8 = -8x + 4x + 2x

Combine like terms: -8x + 4x = -4x
8 = -4x + 2x

Combine like terms: -4x + 2x = -2x
8 = -2x

Solving
8 = -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
8 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
8 + 2x = 0

Add '-8' to each side of the equation.
8 + -8 + 2x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 0 + -8
2x = 0 + -8

Combine like terms: 0 + -8 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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