20-7x=5x-4

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Solution for 20-7x=5x-4 equation:


Simplifying
20 + -7x = 5x + -4

Reorder the terms:
20 + -7x = -4 + 5x

Solving
20 + -7x = -4 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
20 + -7x + -5x = -4 + 5x + -5x

Combine like terms: -7x + -5x = -12x
20 + -12x = -4 + 5x + -5x

Combine like terms: 5x + -5x = 0
20 + -12x = -4 + 0
20 + -12x = -4

Add '-20' to each side of the equation.
20 + -20 + -12x = -4 + -20

Combine like terms: 20 + -20 = 0
0 + -12x = -4 + -20
-12x = -4 + -20

Combine like terms: -4 + -20 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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