20x-16=18x-9

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Solution for 20x-16=18x-9 equation:


Simplifying
20x + -16 = 18x + -9

Reorder the terms:
-16 + 20x = 18x + -9

Reorder the terms:
-16 + 20x = -9 + 18x

Solving
-16 + 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.
-16 + 20x + -18x = -9 + 18x + -18x

Combine like terms: 20x + -18x = 2x
-16 + 2x = -9 + 18x + -18x

Combine like terms: 18x + -18x = 0
-16 + 2x = -9 + 0
-16 + 2x = -9

Add '16' to each side of the equation.
-16 + 16 + 2x = -9 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = -9 + 16
2x = -9 + 16

Combine like terms: -9 + 16 = 7
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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