3(x-1)+4(x-2)=12x+4

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Solution for 3(x-1)+4(x-2)=12x+4 equation:


Simplifying
3(x + -1) + 4(x + -2) = 12x + 4

Reorder the terms:
3(-1 + x) + 4(x + -2) = 12x + 4
(-1 * 3 + x * 3) + 4(x + -2) = 12x + 4
(-3 + 3x) + 4(x + -2) = 12x + 4

Reorder the terms:
-3 + 3x + 4(-2 + x) = 12x + 4
-3 + 3x + (-2 * 4 + x * 4) = 12x + 4
-3 + 3x + (-8 + 4x) = 12x + 4

Reorder the terms:
-3 + -8 + 3x + 4x = 12x + 4

Combine like terms: -3 + -8 = -11
-11 + 3x + 4x = 12x + 4

Combine like terms: 3x + 4x = 7x
-11 + 7x = 12x + 4

Reorder the terms:
-11 + 7x = 4 + 12x

Solving
-11 + 7x = 4 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-11 + 7x + -12x = 4 + 12x + -12x

Combine like terms: 7x + -12x = -5x
-11 + -5x = 4 + 12x + -12x

Combine like terms: 12x + -12x = 0
-11 + -5x = 4 + 0
-11 + -5x = 4

Add '11' to each side of the equation.
-11 + 11 + -5x = 4 + 11

Combine like terms: -11 + 11 = 0
0 + -5x = 4 + 11
-5x = 4 + 11

Combine like terms: 4 + 11 = 15
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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