-9x-21=10+7

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Solution for -9x-21=10+7 equation:


Simplifying
-9x + -21 = 10 + 7

Reorder the terms:
-21 + -9x = 10 + 7

Combine like terms: 10 + 7 = 17
-21 + -9x = 17

Solving
-21 + -9x = 17

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 + -9x = 17 + 21

Combine like terms: -21 + 21 = 0
0 + -9x = 17 + 21
-9x = 17 + 21

Combine like terms: 17 + 21 = 38
-9x = 38

Divide each side by '-9'.
x = -4.222222222

Simplifying
x = -4.222222222

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