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

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


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

Combine like terms: 9 + 7 = 16
9(16) = 8(8 + x)

Multiply 9 * 16
144 = 8(8 + x)
144 = (8 * 8 + x * 8)
144 = (64 + 8x)

Solving
144 = 64 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
144 + -8x = 64 + 8x + -8x

Combine like terms: 8x + -8x = 0
144 + -8x = 64 + 0
144 + -8x = 64

Add '-144' to each side of the equation.
144 + -144 + -8x = 64 + -144

Combine like terms: 144 + -144 = 0
0 + -8x = 64 + -144
-8x = 64 + -144

Combine like terms: 64 + -144 = -80
-8x = -80

Divide each side by '-8'.
x = 10

Simplifying
x = 10

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