315=450-18x

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Solution for 315=450-18x equation:


Simplifying
315 = 450 + -18x

Solving
315 = 450 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
315 + 18x = 450 + -18x + 18x

Combine like terms: -18x + 18x = 0
315 + 18x = 450 + 0
315 + 18x = 450

Add '-315' to each side of the equation.
315 + -315 + 18x = 450 + -315

Combine like terms: 315 + -315 = 0
0 + 18x = 450 + -315
18x = 450 + -315

Combine like terms: 450 + -315 = 135
18x = 135

Divide each side by '18'.
x = 7.5

Simplifying
x = 7.5

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