(x+9)8=20x

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Solution for (x+9)8=20x equation:


Simplifying
(x + 9) * 8 = 20x

Reorder the terms:
(9 + x) * 8 = 20x

Reorder the terms for easier multiplication:
8(9 + x) = 20x
(9 * 8 + x * 8) = 20x
(72 + 8x) = 20x

Solving
72 + 8x = 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
72 + 8x + -20x = 20x + -20x

Combine like terms: 8x + -20x = -12x
72 + -12x = 20x + -20x

Combine like terms: 20x + -20x = 0
72 + -12x = 0

Add '-72' to each side of the equation.
72 + -72 + -12x = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -12x = 0 + -72
-12x = 0 + -72

Combine like terms: 0 + -72 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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