5x+7x-66=0

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Solution for 5x+7x-66=0 equation:


Simplifying
5x + 7x + -66 = 0

Reorder the terms:
-66 + 5x + 7x = 0

Combine like terms: 5x + 7x = 12x
-66 + 12x = 0

Solving
-66 + 12x = 0

Solving for variable 'x'.

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

Add '66' to each side of the equation.
-66 + 66 + 12x = 0 + 66

Combine like terms: -66 + 66 = 0
0 + 12x = 0 + 66
12x = 0 + 66

Combine like terms: 0 + 66 = 66
12x = 66

Divide each side by '12'.
x = 5.5

Simplifying
x = 5.5

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