20x-15=18x-77

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Solution for 20x-15=18x-77 equation:


Simplifying
20x + -15 = 18x + -77

Reorder the terms:
-15 + 20x = 18x + -77

Reorder the terms:
-15 + 20x = -77 + 18x

Solving
-15 + 20x = -77 + 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.
-15 + 20x + -18x = -77 + 18x + -18x

Combine like terms: 20x + -18x = 2x
-15 + 2x = -77 + 18x + -18x

Combine like terms: 18x + -18x = 0
-15 + 2x = -77 + 0
-15 + 2x = -77

Add '15' to each side of the equation.
-15 + 15 + 2x = -77 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = -77 + 15
2x = -77 + 15

Combine like terms: -77 + 15 = -62
2x = -62

Divide each side by '2'.
x = -31

Simplifying
x = -31

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