9=2-3(x+7)

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


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

Reorder the terms:
9 = 2 + -3(7 + x)
9 = 2 + (7 * -3 + x * -3)
9 = 2 + (-21 + -3x)

Combine like terms: 2 + -21 = -19
9 = -19 + -3x

Solving
9 = -19 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
9 + 3x = -19 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + 3x = -19 + 0
9 + 3x = -19

Add '-9' to each side of the equation.
9 + -9 + 3x = -19 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -19 + -9
3x = -19 + -9

Combine like terms: -19 + -9 = -28
3x = -28

Divide each side by '3'.
x = -9.333333333

Simplifying
x = -9.333333333

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