4(x+3)=12(x-7)

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Solution for 4(x+3)=12(x-7) equation:


Simplifying
4(x + 3) = 12(x + -7)

Reorder the terms:
4(3 + x) = 12(x + -7)
(3 * 4 + x * 4) = 12(x + -7)
(12 + 4x) = 12(x + -7)

Reorder the terms:
12 + 4x = 12(-7 + x)
12 + 4x = (-7 * 12 + x * 12)
12 + 4x = (-84 + 12x)

Solving
12 + 4x = -84 + 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.
12 + 4x + -12x = -84 + 12x + -12x

Combine like terms: 4x + -12x = -8x
12 + -8x = -84 + 12x + -12x

Combine like terms: 12x + -12x = 0
12 + -8x = -84 + 0
12 + -8x = -84

Add '-12' to each side of the equation.
12 + -12 + -8x = -84 + -12

Combine like terms: 12 + -12 = 0
0 + -8x = -84 + -12
-8x = -84 + -12

Combine like terms: -84 + -12 = -96
-8x = -96

Divide each side by '-8'.
x = 12

Simplifying
x = 12

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