3x+9=-9-7x

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Solution for 3x+9=-9-7x equation:


Simplifying
3x + 9 = -9 + -7x

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

Solving
9 + 3x = -9 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
9 + 3x + 7x = -9 + -7x + 7x

Combine like terms: 3x + 7x = 10x
9 + 10x = -9 + -7x + 7x

Combine like terms: -7x + 7x = 0
9 + 10x = -9 + 0
9 + 10x = -9

Add '-9' to each side of the equation.
9 + -9 + 10x = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = -9 + -9
10x = -9 + -9

Combine like terms: -9 + -9 = -18
10x = -18

Divide each side by '10'.
x = -1.8

Simplifying
x = -1.8

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