9+9=9+9(x+9)

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Solution for 9+9=9+9(x+9) equation:


Simplifying
9 + 9 = 9 + 9(x + 9)

Combine like terms: 9 + 9 = 18
18 = 9 + 9(x + 9)

Reorder the terms:
18 = 9 + 9(9 + x)
18 = 9 + (9 * 9 + x * 9)
18 = 9 + (81 + 9x)

Combine like terms: 9 + 81 = 90
18 = 90 + 9x

Solving
18 = 90 + 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 = 90 + 9x + -9x

Combine like terms: 9x + -9x = 0
18 + -9x = 90 + 0
18 + -9x = 90

Add '-18' to each side of the equation.
18 + -18 + -9x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + -9x = 90 + -18
-9x = 90 + -18

Combine like terms: 90 + -18 = 72
-9x = 72

Divide each side by '-9'.
x = -8

Simplifying
x = -8

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