3(4x-12)=3(5x+7)

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Solution for 3(4x-12)=3(5x+7) equation:


Simplifying
3(4x + -12) = 3(5x + 7)

Reorder the terms:
3(-12 + 4x) = 3(5x + 7)
(-12 * 3 + 4x * 3) = 3(5x + 7)
(-36 + 12x) = 3(5x + 7)

Reorder the terms:
-36 + 12x = 3(7 + 5x)
-36 + 12x = (7 * 3 + 5x * 3)
-36 + 12x = (21 + 15x)

Solving
-36 + 12x = 21 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-36 + 12x + -15x = 21 + 15x + -15x

Combine like terms: 12x + -15x = -3x
-36 + -3x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
-36 + -3x = 21 + 0
-36 + -3x = 21

Add '36' to each side of the equation.
-36 + 36 + -3x = 21 + 36

Combine like terms: -36 + 36 = 0
0 + -3x = 21 + 36
-3x = 21 + 36

Combine like terms: 21 + 36 = 57
-3x = 57

Divide each side by '-3'.
x = -19

Simplifying
x = -19

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