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

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


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

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

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

Combine like terms: 90 + 28 = 118
28 + -14x = 31x + -2(118) + -45

Multiply -2 * 118
28 + -14x = 31x + -236 + -45

Reorder the terms:
28 + -14x = -236 + -45 + 31x

Combine like terms: -236 + -45 = -281
28 + -14x = -281 + 31x

Solving
28 + -14x = -281 + 31x

Solving for variable 'x'.

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

Add '-31x' to each side of the equation.
28 + -14x + -31x = -281 + 31x + -31x

Combine like terms: -14x + -31x = -45x
28 + -45x = -281 + 31x + -31x

Combine like terms: 31x + -31x = 0
28 + -45x = -281 + 0
28 + -45x = -281

Add '-28' to each side of the equation.
28 + -28 + -45x = -281 + -28

Combine like terms: 28 + -28 = 0
0 + -45x = -281 + -28
-45x = -281 + -28

Combine like terms: -281 + -28 = -309
-45x = -309

Divide each side by '-45'.
x = 6.866666667

Simplifying
x = 6.866666667

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