180=4x+5x+45

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Solution for 180=4x+5x+45 equation:


Simplifying
180 = 4x + 5x + 45

Reorder the terms:
180 = 45 + 4x + 5x

Combine like terms: 4x + 5x = 9x
180 = 45 + 9x

Solving
180 = 45 + 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.
180 + -9x = 45 + 9x + -9x

Combine like terms: 9x + -9x = 0
180 + -9x = 45 + 0
180 + -9x = 45

Add '-180' to each side of the equation.
180 + -180 + -9x = 45 + -180

Combine like terms: 180 + -180 = 0
0 + -9x = 45 + -180
-9x = 45 + -180

Combine like terms: 45 + -180 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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