4-5-2x=87x-20

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Solution for 4-5-2x=87x-20 equation:


Simplifying
4 + -5 + -2x = 87x + -20

Combine like terms: 4 + -5 = -1
-1 + -2x = 87x + -20

Reorder the terms:
-1 + -2x = -20 + 87x

Solving
-1 + -2x = -20 + 87x

Solving for variable 'x'.

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

Add '-87x' to each side of the equation.
-1 + -2x + -87x = -20 + 87x + -87x

Combine like terms: -2x + -87x = -89x
-1 + -89x = -20 + 87x + -87x

Combine like terms: 87x + -87x = 0
-1 + -89x = -20 + 0
-1 + -89x = -20

Add '1' to each side of the equation.
-1 + 1 + -89x = -20 + 1

Combine like terms: -1 + 1 = 0
0 + -89x = -20 + 1
-89x = -20 + 1

Combine like terms: -20 + 1 = -19
-89x = -19

Divide each side by '-89'.
x = 0.2134831461

Simplifying
x = 0.2134831461

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