3x+2(x-1)=9

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Solution for 3x+2(x-1)=9 equation:


Simplifying
3x + 2(x + -1) = 9

Reorder the terms:
3x + 2(-1 + x) = 9
3x + (-1 * 2 + x * 2) = 9
3x + (-2 + 2x) = 9

Reorder the terms:
-2 + 3x + 2x = 9

Combine like terms: 3x + 2x = 5x
-2 + 5x = 9

Solving
-2 + 5x = 9

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 + 5x = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 5x = 9 + 2
5x = 9 + 2

Combine like terms: 9 + 2 = 11
5x = 11

Divide each side by '5'.
x = 2.2

Simplifying
x = 2.2

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