-21-10x=9x+15

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Solution for -21-10x=9x+15 equation:


Simplifying
-21 + -10x = 9x + 15

Reorder the terms:
-21 + -10x = 15 + 9x

Solving
-21 + -10x = 15 + 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.
-21 + -10x + -9x = 15 + 9x + -9x

Combine like terms: -10x + -9x = -19x
-21 + -19x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
-21 + -19x = 15 + 0
-21 + -19x = 15

Add '21' to each side of the equation.
-21 + 21 + -19x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + -19x = 15 + 21
-19x = 15 + 21

Combine like terms: 15 + 21 = 36
-19x = 36

Divide each side by '-19'.
x = -1.894736842

Simplifying
x = -1.894736842

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