3-(x-4)=3x-12

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Solution for 3-(x-4)=3x-12 equation:


Simplifying
3 + -1(x + -4) = 3x + -12

Reorder the terms:
3 + -1(-4 + x) = 3x + -12
3 + (-4 * -1 + x * -1) = 3x + -12
3 + (4 + -1x) = 3x + -12

Combine like terms: 3 + 4 = 7
7 + -1x = 3x + -12

Reorder the terms:
7 + -1x = -12 + 3x

Solving
7 + -1x = -12 + 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.
7 + -1x + -3x = -12 + 3x + -3x

Combine like terms: -1x + -3x = -4x
7 + -4x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 + -4x = -12 + 0
7 + -4x = -12

Add '-7' to each side of the equation.
7 + -7 + -4x = -12 + -7

Combine like terms: 7 + -7 = 0
0 + -4x = -12 + -7
-4x = -12 + -7

Combine like terms: -12 + -7 = -19
-4x = -19

Divide each side by '-4'.
x = 4.75

Simplifying
x = 4.75

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