8(9+x)=100

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Solution for 8(9+x)=100 equation: 


Simplifying
8(9 + x) = 100
(9 * 8 + x * 8) = 100
(72 + 8x) = 100

Solving
72 + 8x = 100

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + 8x = 100 + -72

Combine like terms: 72 + -72 = 0
0 + 8x = 100 + -72
8x = 100 + -72

Combine like terms: 100 + -72 = 28
8x = 28

Divide each side by '8'.
x = 3.5

Simplifying
x = 3.5

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