(5x-6)+(7x-25)=77

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Solution for (5x-6)+(7x-25)=77 equation:


Simplifying
(5x + -6) + (7x + -25) = 77

Reorder the terms:
(-6 + 5x) + (7x + -25) = 77

Remove parenthesis around (-6 + 5x)
-6 + 5x + (7x + -25) = 77

Reorder the terms:
-6 + 5x + (-25 + 7x) = 77

Remove parenthesis around (-25 + 7x)
-6 + 5x + -25 + 7x = 77

Reorder the terms:
-6 + -25 + 5x + 7x = 77

Combine like terms: -6 + -25 = -31
-31 + 5x + 7x = 77

Combine like terms: 5x + 7x = 12x
-31 + 12x = 77

Solving
-31 + 12x = 77

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 12x = 77 + 31

Combine like terms: -31 + 31 = 0
0 + 12x = 77 + 31
12x = 77 + 31

Combine like terms: 77 + 31 = 108
12x = 108

Divide each side by '12'.
x = 9

Simplifying
x = 9

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