7x-20=4x

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Solution for 7x-20=4x equation:


Simplifying
7x + -20 = 4x

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

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

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

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

Add '20' to each side of the equation.
-20 + 20 + 3x = 0 + 20

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

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

Divide each side by '3'.
x = 6.666666667

Simplifying
x = 6.666666667

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