9x-(2x+11)=31

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Solution for 9x-(2x+11)=31 equation:


Simplifying
9x + -1(2x + 11) = 31

Reorder the terms:
9x + -1(11 + 2x) = 31
9x + (11 * -1 + 2x * -1) = 31
9x + (-11 + -2x) = 31

Reorder the terms:
-11 + 9x + -2x = 31

Combine like terms: 9x + -2x = 7x
-11 + 7x = 31

Solving
-11 + 7x = 31

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 + 7x = 31 + 11

Combine like terms: -11 + 11 = 0
0 + 7x = 31 + 11
7x = 31 + 11

Combine like terms: 31 + 11 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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