-55-9x=10x+21

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Solution for -55-9x=10x+21 equation:


Simplifying
-55 + -9x = 10x + 21

Reorder the terms:
-55 + -9x = 21 + 10x

Solving
-55 + -9x = 21 + 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.
-55 + -9x + -10x = 21 + 10x + -10x

Combine like terms: -9x + -10x = -19x
-55 + -19x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-55 + -19x = 21 + 0
-55 + -19x = 21

Add '55' to each side of the equation.
-55 + 55 + -19x = 21 + 55

Combine like terms: -55 + 55 = 0
0 + -19x = 21 + 55
-19x = 21 + 55

Combine like terms: 21 + 55 = 76
-19x = 76

Divide each side by '-19'.
x = -4

Simplifying
x = -4

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