12x+42-45x-165=20x-80-45

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Solution for 12x+42-45x-165=20x-80-45 equation:


Simplifying
12x + 42 + -45x + -165 = 20x + -80 + -45

Reorder the terms:
42 + -165 + 12x + -45x = 20x + -80 + -45

Combine like terms: 42 + -165 = -123
-123 + 12x + -45x = 20x + -80 + -45

Combine like terms: 12x + -45x = -33x
-123 + -33x = 20x + -80 + -45

Reorder the terms:
-123 + -33x = -80 + -45 + 20x

Combine like terms: -80 + -45 = -125
-123 + -33x = -125 + 20x

Solving
-123 + -33x = -125 + 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.
-123 + -33x + -20x = -125 + 20x + -20x

Combine like terms: -33x + -20x = -53x
-123 + -53x = -125 + 20x + -20x

Combine like terms: 20x + -20x = 0
-123 + -53x = -125 + 0
-123 + -53x = -125

Add '123' to each side of the equation.
-123 + 123 + -53x = -125 + 123

Combine like terms: -123 + 123 = 0
0 + -53x = -125 + 123
-53x = -125 + 123

Combine like terms: -125 + 123 = -2
-53x = -2

Divide each side by '-53'.
x = 0.03773584906

Simplifying
x = 0.03773584906

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