7+8-12=3x

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Solution for 7+8-12=3x equation:


Simplifying
7 + 8 + -12 = 3x

Combine like terms: 7 + 8 = 15
15 + -12 = 3x

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

Solving
3 = 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.
3 + -3x = 3x + -3x

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

Add '-3' to each side of the equation.
3 + -3 + -3x = 0 + -3

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

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

Divide each side by '-3'.
x = 1

Simplifying
x = 1

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