105=3x+15

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Solution for 105=3x+15 equation:


Simplifying
105 = 3x + 15

Reorder the terms:
105 = 15 + 3x

Solving
105 = 15 + 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.
105 + -3x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
105 + -3x = 15 + 0
105 + -3x = 15

Add '-105' to each side of the equation.
105 + -105 + -3x = 15 + -105

Combine like terms: 105 + -105 = 0
0 + -3x = 15 + -105
-3x = 15 + -105

Combine like terms: 15 + -105 = -90
-3x = -90

Divide each side by '-3'.
x = 30

Simplifying
x = 30

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