20-7x=18-2x

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Solution for 20-7x=18-2x equation:


Simplifying
20 + -7x = 18 + -2x

Solving
20 + -7x = 18 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
20 + -7x + 2x = 18 + -2x + 2x

Combine like terms: -7x + 2x = -5x
20 + -5x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
20 + -5x = 18 + 0
20 + -5x = 18

Add '-20' to each side of the equation.
20 + -20 + -5x = 18 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = 18 + -20
-5x = 18 + -20

Combine like terms: 18 + -20 = -2
-5x = -2

Divide each side by '-5'.
x = 0.4

Simplifying
x = 0.4

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