3x=12+4(x-1)

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Solution for 3x=12+4(x-1) equation:


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

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

Combine like terms: 12 + -4 = 8
3x = 8 + 4x

Solving
3x = 8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
3x + -4x = 8 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-1x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1x = 8 + 0
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

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