-30-7x=9x+18

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Solution for -30-7x=9x+18 equation:


Simplifying
-30 + -7x = 9x + 18

Reorder the terms:
-30 + -7x = 18 + 9x

Solving
-30 + -7x = 18 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-30 + -7x + -9x = 18 + 9x + -9x

Combine like terms: -7x + -9x = -16x
-30 + -16x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
-30 + -16x = 18 + 0
-30 + -16x = 18

Add '30' to each side of the equation.
-30 + 30 + -16x = 18 + 30

Combine like terms: -30 + 30 = 0
0 + -16x = 18 + 30
-16x = 18 + 30

Combine like terms: 18 + 30 = 48
-16x = 48

Divide each side by '-16'.
x = -3

Simplifying
x = -3

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