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

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


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

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

Combine like terms: 7 + -8 = -1
4(-1 + 5x) + 2 = -18
(-1 * 4 + 5x * 4) + 2 = -18
(-4 + 20x) + 2 = -18

Reorder the terms:
-4 + 2 + 20x = -18

Combine like terms: -4 + 2 = -2
-2 + 20x = -18

Solving
-2 + 20x = -18

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 20x = -18 + 2

Combine like terms: -2 + 2 = 0
0 + 20x = -18 + 2
20x = -18 + 2

Combine like terms: -18 + 2 = -16
20x = -16

Divide each side by '20'.
x = -0.8

Simplifying
x = -0.8

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