-9x-18=9(x+8)

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Solution for -9x-18=9(x+8) equation:


Simplifying
-9x + -18 = 9(x + 8)

Reorder the terms:
-18 + -9x = 9(x + 8)

Reorder the terms:
-18 + -9x = 9(8 + x)
-18 + -9x = (8 * 9 + x * 9)
-18 + -9x = (72 + 9x)

Solving
-18 + -9x = 72 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-18 + -9x + -9x = 72 + 9x + -9x

Combine like terms: -9x + -9x = -18x
-18 + -18x = 72 + 9x + -9x

Combine like terms: 9x + -9x = 0
-18 + -18x = 72 + 0
-18 + -18x = 72

Add '18' to each side of the equation.
-18 + 18 + -18x = 72 + 18

Combine like terms: -18 + 18 = 0
0 + -18x = 72 + 18
-18x = 72 + 18

Combine like terms: 72 + 18 = 90
-18x = 90

Divide each side by '-18'.
x = -5

Simplifying
x = -5

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