5x+7x-20=4

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


Simplifying
5x + 7x + -20 = 4

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

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

Solving
-20 + 12x = 4

Solving for variable 'x'.

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

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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