9x-2(x+1)=12

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Solution for 9x-2(x+1)=12 equation:


Simplifying
9x + -2(x + 1) = 12

Reorder the terms:
9x + -2(1 + x) = 12
9x + (1 * -2 + x * -2) = 12
9x + (-2 + -2x) = 12

Reorder the terms:
-2 + 9x + -2x = 12

Combine like terms: 9x + -2x = 7x
-2 + 7x = 12

Solving
-2 + 7x = 12

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 + 7x = 12 + 2

Combine like terms: -2 + 2 = 0
0 + 7x = 12 + 2
7x = 12 + 2

Combine like terms: 12 + 2 = 14
7x = 14

Divide each side by '7'.
x = 2

Simplifying
x = 2

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