3(x+1)-(2x+6)=-9

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Solution for 3(x+1)-(2x+6)=-9 equation:


Simplifying
3(x + 1) + -1(2x + 6) = -9

Reorder the terms:
3(1 + x) + -1(2x + 6) = -9
(1 * 3 + x * 3) + -1(2x + 6) = -9
(3 + 3x) + -1(2x + 6) = -9

Reorder the terms:
3 + 3x + -1(6 + 2x) = -9
3 + 3x + (6 * -1 + 2x * -1) = -9
3 + 3x + (-6 + -2x) = -9

Reorder the terms:
3 + -6 + 3x + -2x = -9

Combine like terms: 3 + -6 = -3
-3 + 3x + -2x = -9

Combine like terms: 3x + -2x = 1x
-3 + 1x = -9

Solving
-3 + 1x = -9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 1x = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 1x = -9 + 3
1x = -9 + 3

Combine like terms: -9 + 3 = -6
1x = -6

Divide each side by '1'.
x = -6

Simplifying
x = -6

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