-78-7=9x+18

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Solution for -78-7=9x+18 equation:


Simplifying
-78 + -7 = 9x + 18

Combine like terms: -78 + -7 = -85
-85 = 9x + 18

Reorder the terms:
-85 = 18 + 9x

Solving
-85 = 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.
-85 + -9x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
-85 + -9x = 18 + 0
-85 + -9x = 18

Add '85' to each side of the equation.
-85 + 85 + -9x = 18 + 85

Combine like terms: -85 + 85 = 0
0 + -9x = 18 + 85
-9x = 18 + 85

Combine like terms: 18 + 85 = 103
-9x = 103

Divide each side by '-9'.
x = -11.44444444

Simplifying
x = -11.44444444

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