12x+45=-3x+120

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Solution for 12x+45=-3x+120 equation:


Simplifying
12x + 45 = -3x + 120

Reorder the terms:
45 + 12x = -3x + 120

Reorder the terms:
45 + 12x = 120 + -3x

Solving
45 + 12x = 120 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
45 + 12x + 3x = 120 + -3x + 3x

Combine like terms: 12x + 3x = 15x
45 + 15x = 120 + -3x + 3x

Combine like terms: -3x + 3x = 0
45 + 15x = 120 + 0
45 + 15x = 120

Add '-45' to each side of the equation.
45 + -45 + 15x = 120 + -45

Combine like terms: 45 + -45 = 0
0 + 15x = 120 + -45
15x = 120 + -45

Combine like terms: 120 + -45 = 75
15x = 75

Divide each side by '15'.
x = 5

Simplifying
x = 5

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