7x+2(x-11)=77

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Solution for 7x+2(x-11)=77 equation:


Simplifying
7x + 2(x + -11) = 77

Reorder the terms:
7x + 2(-11 + x) = 77
7x + (-11 * 2 + x * 2) = 77
7x + (-22 + 2x) = 77

Reorder the terms:
-22 + 7x + 2x = 77

Combine like terms: 7x + 2x = 9x
-22 + 9x = 77

Solving
-22 + 9x = 77

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 9x = 77 + 22

Combine like terms: -22 + 22 = 0
0 + 9x = 77 + 22
9x = 77 + 22

Combine like terms: 77 + 22 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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