3x+12-3=3x-3x+12

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


Simplifying
3x + 12 + -3 = 3x + -3x + 12

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

Combine like terms: 12 + -3 = 9
9 + 3x = 3x + -3x + 12

Reorder the terms:
9 + 3x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 3x = 12 + 0
9 + 3x = 12

Solving
9 + 3x = 12

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 12 + -9
3x = 12 + -9

Combine like terms: 12 + -9 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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