15=3(x-5)-8x

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Solution for 15=3(x-5)-8x equation: 


Simplifying
15 = 3(x + -5) + -8x

Reorder the terms:
15 = 3(-5 + x) + -8x
15 = (-5 * 3 + x * 3) + -8x
15 = (-15 + 3x) + -8x

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

Solving
15 = -15 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
15 + 5x = -15 + -5x + 5x

Combine like terms: -5x + 5x = 0
15 + 5x = -15 + 0
15 + 5x = -15

Add '-15' to each side of the equation.
15 + -15 + 5x = -15 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = -15 + -15
5x = -15 + -15

Combine like terms: -15 + -15 = -30
5x = -30

Divide each side by '5'.
x = -6

Simplifying
x = -6

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