20-10x=-18x+91

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Solution for 20-10x=-18x+91 equation:


Simplifying
20 + -10x = -18x + 91

Reorder the terms:
20 + -10x = 91 + -18x

Solving
20 + -10x = 91 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
20 + -10x + 18x = 91 + -18x + 18x

Combine like terms: -10x + 18x = 8x
20 + 8x = 91 + -18x + 18x

Combine like terms: -18x + 18x = 0
20 + 8x = 91 + 0
20 + 8x = 91

Add '-20' to each side of the equation.
20 + -20 + 8x = 91 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = 91 + -20
8x = 91 + -20

Combine like terms: 91 + -20 = 71
8x = 71

Divide each side by '8'.
x = 8.875

Simplifying
x = 8.875

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