x+9+x+9=5x+9

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Solution for x+9+x+9=5x+9 equation:


Simplifying
x + 9 + x + 9 = 5x + 9

Reorder the terms:
9 + 9 + x + x = 5x + 9

Combine like terms: 9 + 9 = 18
18 + x + x = 5x + 9

Combine like terms: x + x = 2x
18 + 2x = 5x + 9

Reorder the terms:
18 + 2x = 9 + 5x

Solving
18 + 2x = 9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
18 + 2x + -5x = 9 + 5x + -5x

Combine like terms: 2x + -5x = -3x
18 + -3x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
18 + -3x = 9 + 0
18 + -3x = 9

Add '-18' to each side of the equation.
18 + -18 + -3x = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 9 + -18
-3x = 9 + -18

Combine like terms: 9 + -18 = -9
-3x = -9

Divide each side by '-3'.
x = 3

Simplifying
x = 3

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