3(2x+8)-2(5x-7)=-6x+78

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Solution for 3(2x+8)-2(5x-7)=-6x+78 equation:


Simplifying
3(2x + 8) + -2(5x + -7) = -6x + 78

Reorder the terms:
3(8 + 2x) + -2(5x + -7) = -6x + 78
(8 * 3 + 2x * 3) + -2(5x + -7) = -6x + 78
(24 + 6x) + -2(5x + -7) = -6x + 78

Reorder the terms:
24 + 6x + -2(-7 + 5x) = -6x + 78
24 + 6x + (-7 * -2 + 5x * -2) = -6x + 78
24 + 6x + (14 + -10x) = -6x + 78

Reorder the terms:
24 + 14 + 6x + -10x = -6x + 78

Combine like terms: 24 + 14 = 38
38 + 6x + -10x = -6x + 78

Combine like terms: 6x + -10x = -4x
38 + -4x = -6x + 78

Reorder the terms:
38 + -4x = 78 + -6x

Solving
38 + -4x = 78 + -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.
38 + -4x + 6x = 78 + -6x + 6x

Combine like terms: -4x + 6x = 2x
38 + 2x = 78 + -6x + 6x

Combine like terms: -6x + 6x = 0
38 + 2x = 78 + 0
38 + 2x = 78

Add '-38' to each side of the equation.
38 + -38 + 2x = 78 + -38

Combine like terms: 38 + -38 = 0
0 + 2x = 78 + -38
2x = 78 + -38

Combine like terms: 78 + -38 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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