7-(1-3x)=12

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Solution for 7-(1-3x)=12 equation:


Simplifying
7 + -1(1 + -3x) = 12
7 + (1 * -1 + -3x * -1) = 12
7 + (-1 + 3x) = 12

Combine like terms: 7 + -1 = 6
6 + 3x = 12

Solving
6 + 3x = 12

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 12 + -6
3x = 12 + -6

Combine like terms: 12 + -6 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

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