2(3x+4)+x=78

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Solution for 2(3x+4)+x=78 equation:


Simplifying
2(3x + 4) + x = 78

Reorder the terms:
2(4 + 3x) + x = 78
(4 * 2 + 3x * 2) + x = 78
(8 + 6x) + x = 78

Combine like terms: 6x + x = 7x
8 + 7x = 78

Solving
8 + 7x = 78

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 7x = 78 + -8

Combine like terms: 8 + -8 = 0
0 + 7x = 78 + -8
7x = 78 + -8

Combine like terms: 78 + -8 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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