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

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


Simplifying
7(3 + -1x) + 2x = -9
(3 * 7 + -1x * 7) + 2x = -9
(21 + -7x) + 2x = -9

Combine like terms: -7x + 2x = -5x
21 + -5x = -9

Solving
21 + -5x = -9

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -5x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = -9 + -21
-5x = -9 + -21

Combine like terms: -9 + -21 = -30
-5x = -30

Divide each side by '-5'.
x = 6

Simplifying
x = 6

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