15=-5x+7-3x

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Solution for 15=-5x+7-3x equation:


Simplifying
15 = -5x + 7 + -3x

Reorder the terms:
15 = 7 + -5x + -3x

Combine like terms: -5x + -3x = -8x
15 = 7 + -8x

Solving
15 = 7 + -8x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '8'.
x = -1

Simplifying
x = -1

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