9x-(7x+11)=9

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


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

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

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

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

Solving
-11 + 2x = 9

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 2x = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 2x = 9 + 11
2x = 9 + 11

Combine like terms: 9 + 11 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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