-4+5x+7x=80

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Solution for -4+5x+7x=80 equation:


Simplifying
-4 + 5x + 7x = 80

Combine like terms: 5x + 7x = 12x
-4 + 12x = 80

Solving
-4 + 12x = 80

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 + 12x = 80 + 4

Combine like terms: -4 + 4 = 0
0 + 12x = 80 + 4
12x = 80 + 4

Combine like terms: 80 + 4 = 84
12x = 84

Divide each side by '12'.
x = 7

Simplifying
x = 7

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