5x-7x-4=20

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


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

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

Combine like terms: 5x + -7x = -2x
-4 + -2x = 20

Solving
-4 + -2x = 20

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x = 20 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 20 + 4
-2x = 20 + 4

Combine like terms: 20 + 4 = 24
-2x = 24

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

Simplifying
x = -12

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