9+5x+7x=-3

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Solution for 9+5x+7x=-3 equation: 


Simplifying
9 + 5x + 7x = -3

Combine like terms: 5x + 7x = 12x
9 + 12x = -3

Solving
9 + 12x = -3

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 12x = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 12x = -3 + -9
12x = -3 + -9

Combine like terms: -3 + -9 = -12
12x = -12

Divide each side by '12'.
x = -1

Simplifying
x = -1

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