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

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


Simplifying
8(9 + x) = 7(8 + x)
(9 * 8 + x * 8) = 7(8 + x)
(72 + 8x) = 7(8 + x)
72 + 8x = (8 * 7 + x * 7)
72 + 8x = (56 + 7x)

Solving
72 + 8x = 56 + 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 = 56 + 7x + -7x

Combine like terms: 8x + -7x = 1x
72 + 1x = 56 + 7x + -7x

Combine like terms: 7x + -7x = 0
72 + 1x = 56 + 0
72 + 1x = 56

Add '-72' to each side of the equation.
72 + -72 + 1x = 56 + -72

Combine like terms: 72 + -72 = 0
0 + 1x = 56 + -72
1x = 56 + -72

Combine like terms: 56 + -72 = -16
1x = -16

Divide each side by '1'.
x = -16

Simplifying
x = -16

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