11x-(x+9)=91

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Solution for 11x-(x+9)=91 equation:


Simplifying
11x + -1(x + 9) = 91

Reorder the terms:
11x + -1(9 + x) = 91
11x + (9 * -1 + x * -1) = 91
11x + (-9 + -1x) = 91

Reorder the terms:
-9 + 11x + -1x = 91

Combine like terms: 11x + -1x = 10x
-9 + 10x = 91

Solving
-9 + 10x = 91

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 10x = 91 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 91 + 9
10x = 91 + 9

Combine like terms: 91 + 9 = 100
10x = 100

Divide each side by '10'.
x = 10

Simplifying
x = 10

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