-4(8x-7)+18x=31x-2(90+28x)-45

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Solution for -4(8x-7)+18x=31x-2(90+28x)-45 equation:


Simplifying
-4(8x + -7) + 18x = 31x + -2(90 + 28x) + -45

Reorder the terms:
-4(-7 + 8x) + 18x = 31x + -2(90 + 28x) + -45
(-7 * -4 + 8x * -4) + 18x = 31x + -2(90 + 28x) + -45
(28 + -32x) + 18x = 31x + -2(90 + 28x) + -45

Combine like terms: -32x + 18x = -14x
28 + -14x = 31x + -2(90 + 28x) + -45
28 + -14x = 31x + (90 * -2 + 28x * -2) + -45
28 + -14x = 31x + (-180 + -56x) + -45

Reorder the terms:
28 + -14x = -180 + -45 + 31x + -56x

Combine like terms: -180 + -45 = -225
28 + -14x = -225 + 31x + -56x

Combine like terms: 31x + -56x = -25x
28 + -14x = -225 + -25x

Solving
28 + -14x = -225 + -25x

Solving for variable 'x'.

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

Add '25x' to each side of the equation.
28 + -14x + 25x = -225 + -25x + 25x

Combine like terms: -14x + 25x = 11x
28 + 11x = -225 + -25x + 25x

Combine like terms: -25x + 25x = 0
28 + 11x = -225 + 0
28 + 11x = -225

Add '-28' to each side of the equation.
28 + -28 + 11x = -225 + -28

Combine like terms: 28 + -28 = 0
0 + 11x = -225 + -28
11x = -225 + -28

Combine like terms: -225 + -28 = -253
11x = -253

Divide each side by '11'.
x = -23

Simplifying
x = -23

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