3(x+3)-(2x+7)=9

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Solution for 3(x+3)-(2x+7)=9 equation:


Simplifying
3(x + 3) + -1(2x + 7) = 9

Reorder the terms:
3(3 + x) + -1(2x + 7) = 9
(3 * 3 + x * 3) + -1(2x + 7) = 9
(9 + 3x) + -1(2x + 7) = 9

Reorder the terms:
9 + 3x + -1(7 + 2x) = 9
9 + 3x + (7 * -1 + 2x * -1) = 9
9 + 3x + (-7 + -2x) = 9

Reorder the terms:
9 + -7 + 3x + -2x = 9

Combine like terms: 9 + -7 = 2
2 + 3x + -2x = 9

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

Solving
2 + 1x = 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 + 1x = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 1x = 9 + -2
1x = 9 + -2

Combine like terms: 9 + -2 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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