5x-7=20-4x

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


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

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

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

Combine like terms: 5x + 4x = 9x
-7 + 9x = 20 + -4x + 4x

Combine like terms: -4x + 4x = 0
-7 + 9x = 20 + 0
-7 + 9x = 20

Add '7' to each side of the equation.
-7 + 7 + 9x = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 9x = 20 + 7
9x = 20 + 7

Combine like terms: 20 + 7 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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