3x-(-x+11)=9

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Solution for 3x-(-x+11)=9 equation:


Simplifying
3x + -1(-1x + 11) = 9

Reorder the terms:
3x + -1(11 + -1x) = 9
3x + (11 * -1 + -1x * -1) = 9
3x + (-11 + 1x) = 9

Reorder the terms:
-11 + 3x + 1x = 9

Combine like terms: 3x + 1x = 4x
-11 + 4x = 9

Solving
-11 + 4x = 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 + 4x = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 4x = 9 + 11
4x = 9 + 11

Combine like terms: 9 + 11 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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