20-7x=18-4x

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Solution for 20-7x=18-4x equation:


Simplifying
20 + -7x = 18 + -4x

Solving
20 + -7x = 18 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
20 + -7x + 4x = 18 + -4x + 4x

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

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

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

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

Combine like terms: 18 + -20 = -2
-3x = -2

Divide each side by '-3'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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