12(3x+4)-5(2x-3)=6x-77

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Solution for 12(3x+4)-5(2x-3)=6x-77 equation:


Simplifying
12(3x + 4) + -5(2x + -3) = 6x + -77

Reorder the terms:
12(4 + 3x) + -5(2x + -3) = 6x + -77
(4 * 12 + 3x * 12) + -5(2x + -3) = 6x + -77
(48 + 36x) + -5(2x + -3) = 6x + -77

Reorder the terms:
48 + 36x + -5(-3 + 2x) = 6x + -77
48 + 36x + (-3 * -5 + 2x * -5) = 6x + -77
48 + 36x + (15 + -10x) = 6x + -77

Reorder the terms:
48 + 15 + 36x + -10x = 6x + -77

Combine like terms: 48 + 15 = 63
63 + 36x + -10x = 6x + -77

Combine like terms: 36x + -10x = 26x
63 + 26x = 6x + -77

Reorder the terms:
63 + 26x = -77 + 6x

Solving
63 + 26x = -77 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
63 + 26x + -6x = -77 + 6x + -6x

Combine like terms: 26x + -6x = 20x
63 + 20x = -77 + 6x + -6x

Combine like terms: 6x + -6x = 0
63 + 20x = -77 + 0
63 + 20x = -77

Add '-63' to each side of the equation.
63 + -63 + 20x = -77 + -63

Combine like terms: 63 + -63 = 0
0 + 20x = -77 + -63
20x = -77 + -63

Combine like terms: -77 + -63 = -140
20x = -140

Divide each side by '20'.
x = -7

Simplifying
x = -7

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