42=3x+6(-2x-8)

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Solution for 42=3x+6(-2x-8) equation:


Simplifying
42 = 3x + 6(-2x + -8)

Reorder the terms:
42 = 3x + 6(-8 + -2x)
42 = 3x + (-8 * 6 + -2x * 6)
42 = 3x + (-48 + -12x)

Reorder the terms:
42 = -48 + 3x + -12x

Combine like terms: 3x + -12x = -9x
42 = -48 + -9x

Solving
42 = -48 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
42 + 9x = -48 + -9x + 9x

Combine like terms: -9x + 9x = 0
42 + 9x = -48 + 0
42 + 9x = -48

Add '-42' to each side of the equation.
42 + -42 + 9x = -48 + -42

Combine like terms: 42 + -42 = 0
0 + 9x = -48 + -42
9x = -48 + -42

Combine like terms: -48 + -42 = -90
9x = -90

Divide each side by '9'.
x = -10

Simplifying
x = -10

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