8(X-9)=40

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Solution for 8(X-9)=40 equation: 


Simplifying
8(X + -9) = 40

Reorder the terms:
8(-9 + X) = 40
(-9 * 8 + X * 8) = 40
(-72 + 8X) = 40

Solving
-72 + 8X = 40

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 = 40 + 72

Combine like terms: -72 + 72 = 0
0 + 8X = 40 + 72
8X = 40 + 72

Combine like terms: 40 + 72 = 112
8X = 112

Divide each side by '8'.
X = 14

Simplifying
X = 14

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