-5x+42=-8(x-9)

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Solution for -5x+42=-8(x-9) equation:


Simplifying
-5x + 42 = -8(x + -9)

Reorder the terms:
42 + -5x = -8(x + -9)

Reorder the terms:
42 + -5x = -8(-9 + x)
42 + -5x = (-9 * -8 + x * -8)
42 + -5x = (72 + -8x)

Solving
42 + -5x = 72 + -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.
42 + -5x + 8x = 72 + -8x + 8x

Combine like terms: -5x + 8x = 3x
42 + 3x = 72 + -8x + 8x

Combine like terms: -8x + 8x = 0
42 + 3x = 72 + 0
42 + 3x = 72

Add '-42' to each side of the equation.
42 + -42 + 3x = 72 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 72 + -42
3x = 72 + -42

Combine like terms: 72 + -42 = 30
3x = 30

Divide each side by '3'.
x = 10

Simplifying
x = 10

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