8(x+9)=7x+78

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Solution for 8(x+9)=7x+78 equation:


Simplifying
8(x + 9) = 7x + 78

Reorder the terms:
8(9 + x) = 7x + 78
(9 * 8 + x * 8) = 7x + 78
(72 + 8x) = 7x + 78

Reorder the terms:
72 + 8x = 78 + 7x

Solving
72 + 8x = 78 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
72 + 8x + -7x = 78 + 7x + -7x

Combine like terms: 8x + -7x = 1x
72 + 1x = 78 + 7x + -7x

Combine like terms: 7x + -7x = 0
72 + 1x = 78 + 0
72 + 1x = 78

Add '-72' to each side of the equation.
72 + -72 + 1x = 78 + -72

Combine like terms: 72 + -72 = 0
0 + 1x = 78 + -72
1x = 78 + -72

Combine like terms: 78 + -72 = 6
1x = 6

Divide each side by '1'.
x = 6

Simplifying
x = 6

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