-3x+18=45

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Solution for -3x+18=45 equation: 


Simplifying
-3x + 18 = 45

Reorder the terms:
18 + -3x = 45

Solving
18 + -3x = 45

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 + -3x = 45 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 45 + -18
-3x = 45 + -18

Combine like terms: 45 + -18 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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