(8x+7)+(4x-1)=78

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Solution for (8x+7)+(4x-1)=78 equation:


Simplifying
(8x + 7) + (4x + -1) = 78

Reorder the terms:
(7 + 8x) + (4x + -1) = 78

Remove parenthesis around (7 + 8x)
7 + 8x + (4x + -1) = 78

Reorder the terms:
7 + 8x + (-1 + 4x) = 78

Remove parenthesis around (-1 + 4x)
7 + 8x + -1 + 4x = 78

Reorder the terms:
7 + -1 + 8x + 4x = 78

Combine like terms: 7 + -1 = 6
6 + 8x + 4x = 78

Combine like terms: 8x + 4x = 12x
6 + 12x = 78

Solving
6 + 12x = 78

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 12x = 78 + -6

Combine like terms: 6 + -6 = 0
0 + 12x = 78 + -6
12x = 78 + -6

Combine like terms: 78 + -6 = 72
12x = 72

Divide each side by '12'.
x = 6

Simplifying
x = 6

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