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

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


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

Reorder the terms:
5(6 + x) + -3(x + -8) = 78
(6 * 5 + x * 5) + -3(x + -8) = 78
(30 + 5x) + -3(x + -8) = 78

Reorder the terms:
30 + 5x + -3(-8 + x) = 78
30 + 5x + (-8 * -3 + x * -3) = 78
30 + 5x + (24 + -3x) = 78

Reorder the terms:
30 + 24 + 5x + -3x = 78

Combine like terms: 30 + 24 = 54
54 + 5x + -3x = 78

Combine like terms: 5x + -3x = 2x
54 + 2x = 78

Solving
54 + 2x = 78

Solving for variable 'x'.

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

Add '-54' to each side of the equation.
54 + -54 + 2x = 78 + -54

Combine like terms: 54 + -54 = 0
0 + 2x = 78 + -54
2x = 78 + -54

Combine like terms: 78 + -54 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

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