8(2x+9)=20-(x-8)

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Solution for 8(2x+9)=20-(x-8) equation:


Simplifying
8(2x + 9) = 20 + -1(x + -8)

Reorder the terms:
8(9 + 2x) = 20 + -1(x + -8)
(9 * 8 + 2x * 8) = 20 + -1(x + -8)
(72 + 16x) = 20 + -1(x + -8)

Reorder the terms:
72 + 16x = 20 + -1(-8 + x)
72 + 16x = 20 + (-8 * -1 + x * -1)
72 + 16x = 20 + (8 + -1x)

Combine like terms: 20 + 8 = 28
72 + 16x = 28 + -1x

Solving
72 + 16x = 28 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
72 + 16x + x = 28 + -1x + x

Combine like terms: 16x + x = 17x
72 + 17x = 28 + -1x + x

Combine like terms: -1x + x = 0
72 + 17x = 28 + 0
72 + 17x = 28

Add '-72' to each side of the equation.
72 + -72 + 17x = 28 + -72

Combine like terms: 72 + -72 = 0
0 + 17x = 28 + -72
17x = 28 + -72

Combine like terms: 28 + -72 = -44
17x = -44

Divide each side by '17'.
x = -2.588235294

Simplifying
x = -2.588235294

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