4(5x+7-8x)+2=-18

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Solution for 4(5x+7-8x)+2=-18 equation:


Simplifying
4(5x + 7 + -8x) + 2 = -18

Reorder the terms:
4(7 + 5x + -8x) + 2 = -18

Combine like terms: 5x + -8x = -3x
4(7 + -3x) + 2 = -18
(7 * 4 + -3x * 4) + 2 = -18
(28 + -12x) + 2 = -18

Reorder the terms:
28 + 2 + -12x = -18

Combine like terms: 28 + 2 = 30
30 + -12x = -18

Solving
30 + -12x = -18

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -12x = -18 + -30

Combine like terms: 30 + -30 = 0
0 + -12x = -18 + -30
-12x = -18 + -30

Combine like terms: -18 + -30 = -48
-12x = -48

Divide each side by '-12'.
x = 4

Simplifying
x = 4

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