20-7x=18-3x

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Solution for 20-7x=18-3x equation:


Simplifying
20 + -7x = 18 + -3x

Solving
20 + -7x = 18 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
20 + -7x + 3x = 18 + -3x + 3x

Combine like terms: -7x + 3x = -4x
20 + -4x = 18 + -3x + 3x

Combine like terms: -3x + 3x = 0
20 + -4x = 18 + 0
20 + -4x = 18

Add '-20' to each side of the equation.
20 + -20 + -4x = 18 + -20

Combine like terms: 20 + -20 = 0
0 + -4x = 18 + -20
-4x = 18 + -20

Combine like terms: 18 + -20 = -2
-4x = -2

Divide each side by '-4'.
x = 0.5

Simplifying
x = 0.5

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