8(x+1)+2x=78

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Solution for 8(x+1)+2x=78 equation:


Simplifying
8(x + 1) + 2x = 78

Reorder the terms:
8(1 + x) + 2x = 78
(1 * 8 + x * 8) + 2x = 78
(8 + 8x) + 2x = 78

Combine like terms: 8x + 2x = 10x
8 + 10x = 78

Solving
8 + 10x = 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 + 10x = 78 + -8

Combine like terms: 8 + -8 = 0
0 + 10x = 78 + -8
10x = 78 + -8

Combine like terms: 78 + -8 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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