225=7x+120

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Solution for 225=7x+120 equation: 


Simplifying
225 = 7x + 120

Reorder the terms:
225 = 120 + 7x

Solving
225 = 120 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
225 + -7x = 120 + 7x + -7x

Combine like terms: 7x + -7x = 0
225 + -7x = 120 + 0
225 + -7x = 120

Add '-225' to each side of the equation.
225 + -225 + -7x = 120 + -225

Combine like terms: 225 + -225 = 0
0 + -7x = 120 + -225
-7x = 120 + -225

Combine like terms: 120 + -225 = -105
-7x = -105

Divide each side by '-7'.
x = 15

Simplifying
x = 15

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