Solve for x.

2x + 9x - 2 = 31

A. 33

B. 3

C. - 3

D. - 33

Step-by-step explanation:

Simplifying

2x + 9x + - 2 = 31

Reorder the terms:

-2 + 2x + 9x = 31

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

-2 + 11x = 31

Solving

-2 + 11x = 31

Solving for variable 'x'.

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

Add '2' to each side of the equation.

-2 + 2 + 11x = 31 + 2

Combine like terms: - 2 + 2 = 0

0 + 11x = 31 + 2

11x = 31 + 2

Combine like terms: 31 + 2 = 33

11x = 33

Divide each side by '11'.

x = 3

Simplifying

x = 3

B. the answer is 3

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