(15+9)9=(x+8)8

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Solution for (15+9)9=(x+8)8 equation:


Simplifying
(15 + 9) * 9 = (x + 8) * 8

Combine like terms: 15 + 9 = 24
(24) * 9 = (x + 8) * 8

Multiply 24 * 9
216 = (x + 8) * 8

Reorder the terms:
216 = (8 + x) * 8

Reorder the terms for easier multiplication:
216 = 8(8 + x)
216 = (8 * 8 + x * 8)
216 = (64 + 8x)

Solving
216 = 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.
216 + -8x = 64 + 8x + -8x

Combine like terms: 8x + -8x = 0
216 + -8x = 64 + 0
216 + -8x = 64

Add '-216' to each side of the equation.
216 + -216 + -8x = 64 + -216

Combine like terms: 216 + -216 = 0
0 + -8x = 64 + -216
-8x = 64 + -216

Combine like terms: 64 + -216 = -152
-8x = -152

Divide each side by '-8'.
x = 19

Simplifying
x = 19

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