-9x-21=10x+7

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


Simplifying
-9x + -21 = 10x + 7

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

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

Solving
-21 + -9x = 7 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-21 + -9x + -10x = 7 + 10x + -10x

Combine like terms: -9x + -10x = -19x
-21 + -19x = 7 + 10x + -10x

Combine like terms: 10x + -10x = 0
-21 + -19x = 7 + 0
-21 + -19x = 7

Add '21' to each side of the equation.
-21 + 21 + -19x = 7 + 21

Combine like terms: -21 + 21 = 0
0 + -19x = 7 + 21
-19x = 7 + 21

Combine like terms: 7 + 21 = 28
-19x = 28

Divide each side by '-19'.
x = -1.473684211

Simplifying
x = -1.473684211

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