x+4x-9+4x-9=180

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Solution for x+4x-9+4x-9=180 equation:


Simplifying
x + 4x + -9 + 4x + -9 = 180

Reorder the terms:
-9 + -9 + x + 4x + 4x = 180

Combine like terms: -9 + -9 = -18
-18 + x + 4x + 4x = 180

Combine like terms: x + 4x = 5x
-18 + 5x + 4x = 180

Combine like terms: 5x + 4x = 9x
-18 + 9x = 180

Solving
-18 + 9x = 180

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 9x = 180 + 18

Combine like terms: -18 + 18 = 0
0 + 9x = 180 + 18
9x = 180 + 18

Combine like terms: 180 + 18 = 198
9x = 198

Divide each side by '9'.
x = 22

Simplifying
x = 22

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