120=5X+15

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Solution for 120=5X+15 equation:


Simplifying
120 = 5X + 15

Reorder the terms:
120 = 15 + 5X

Solving
120 = 15 + 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
120 + -5X = 15 + 5X + -5X

Combine like terms: 5X + -5X = 0
120 + -5X = 15 + 0
120 + -5X = 15

Add '-120' to each side of the equation.
120 + -120 + -5X = 15 + -120

Combine like terms: 120 + -120 = 0
0 + -5X = 15 + -120
-5X = 15 + -120

Combine like terms: 15 + -120 = -105
-5X = -105

Divide each side by '-5'.
X = 21

Simplifying
X = 21

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