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

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


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

Reorder the terms:
9 = -3(3 + 2x) + 7x
9 = (3 * -3 + 2x * -3) + 7x
9 = (-9 + -6x) + 7x

Combine like terms: -6x + 7x = 1x
9 = -9 + 1x

Solving
9 = -9 + 1x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -9 + -9 = -18
-1x = -18

Divide each side by '-1'.
x = 18

Simplifying
x = 18

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