-3(7x+6)+9x=-42-8x

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Solution for -3(7x+6)+9x=-42-8x equation:


Simplifying
-3(7x + 6) + 9x = -42 + -8x

Reorder the terms:
-3(6 + 7x) + 9x = -42 + -8x
(6 * -3 + 7x * -3) + 9x = -42 + -8x
(-18 + -21x) + 9x = -42 + -8x

Combine like terms: -21x + 9x = -12x
-18 + -12x = -42 + -8x

Solving
-18 + -12x = -42 + -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.
-18 + -12x + 8x = -42 + -8x + 8x

Combine like terms: -12x + 8x = -4x
-18 + -4x = -42 + -8x + 8x

Combine like terms: -8x + 8x = 0
-18 + -4x = -42 + 0
-18 + -4x = -42

Add '18' to each side of the equation.
-18 + 18 + -4x = -42 + 18

Combine like terms: -18 + 18 = 0
0 + -4x = -42 + 18
-4x = -42 + 18

Combine like terms: -42 + 18 = -24
-4x = -24

Divide each side by '-4'.
x = 6

Simplifying
x = 6

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