20x+10=18x-9

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Solution for 20x+10=18x-9 equation:


Simplifying
20x + 10 = 18x + -9

Reorder the terms:
10 + 20x = 18x + -9

Reorder the terms:
10 + 20x = -9 + 18x

Solving
10 + 20x = -9 + 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.
10 + 20x + -18x = -9 + 18x + -18x

Combine like terms: 20x + -18x = 2x
10 + 2x = -9 + 18x + -18x

Combine like terms: 18x + -18x = 0
10 + 2x = -9 + 0
10 + 2x = -9

Add '-10' to each side of the equation.
10 + -10 + 2x = -9 + -10

Combine like terms: 10 + -10 = 0
0 + 2x = -9 + -10
2x = -9 + -10

Combine like terms: -9 + -10 = -19
2x = -19

Divide each side by '2'.
x = -9.5

Simplifying
x = -9.5

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