12x-3(x+5)=4(2x-4)

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Solution for 12x-3(x+5)=4(2x-4) equation:


Simplifying
12x + -3(x + 5) = 4(2x + -4)

Reorder the terms:
12x + -3(5 + x) = 4(2x + -4)
12x + (5 * -3 + x * -3) = 4(2x + -4)
12x + (-15 + -3x) = 4(2x + -4)

Reorder the terms:
-15 + 12x + -3x = 4(2x + -4)

Combine like terms: 12x + -3x = 9x
-15 + 9x = 4(2x + -4)

Reorder the terms:
-15 + 9x = 4(-4 + 2x)
-15 + 9x = (-4 * 4 + 2x * 4)
-15 + 9x = (-16 + 8x)

Solving
-15 + 9x = -16 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-15 + 9x + -8x = -16 + 8x + -8x

Combine like terms: 9x + -8x = 1x
-15 + 1x = -16 + 8x + -8x

Combine like terms: 8x + -8x = 0
-15 + 1x = -16 + 0
-15 + 1x = -16

Add '15' to each side of the equation.
-15 + 15 + 1x = -16 + 15

Combine like terms: -15 + 15 = 0
0 + 1x = -16 + 15
1x = -16 + 15

Combine like terms: -16 + 15 = -1
1x = -1

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

Simplifying
x = -1

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