9x+15(18-x)=180

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Solution for 9x+15(18-x)=180 equation:


Simplifying
9x + 15(18 + -1x) = 180
9x + (18 * 15 + -1x * 15) = 180
9x + (270 + -15x) = 180

Reorder the terms:
270 + 9x + -15x = 180

Combine like terms: 9x + -15x = -6x
270 + -6x = 180

Solving
270 + -6x = 180

Solving for variable 'x'.

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

Add '-270' to each side of the equation.
270 + -270 + -6x = 180 + -270

Combine like terms: 270 + -270 = 0
0 + -6x = 180 + -270
-6x = 180 + -270

Combine like terms: 180 + -270 = -90
-6x = -90

Divide each side by '-6'.
x = 15

Simplifying
x = 15

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