9x-(7x+7)=11

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Solution for 9x-(7x+7)=11 equation:


Simplifying
9x + -1(7x + 7) = 11

Reorder the terms:
9x + -1(7 + 7x) = 11
9x + (7 * -1 + 7x * -1) = 11
9x + (-7 + -7x) = 11

Reorder the terms:
-7 + 9x + -7x = 11

Combine like terms: 9x + -7x = 2x
-7 + 2x = 11

Solving
-7 + 2x = 11

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = 11 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 11 + 7
2x = 11 + 7

Combine like terms: 11 + 7 = 18
2x = 18

Divide each side by '2'.
x = 9

Simplifying
x = 9

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