93-3x=9x+21

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Solution for 93-3x=9x+21 equation:


Simplifying
93 + -3x = 9x + 21

Reorder the terms:
93 + -3x = 21 + 9x

Solving
93 + -3x = 21 + 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.
93 + -3x + -9x = 21 + 9x + -9x

Combine like terms: -3x + -9x = -12x
93 + -12x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
93 + -12x = 21 + 0
93 + -12x = 21

Add '-93' to each side of the equation.
93 + -93 + -12x = 21 + -93

Combine like terms: 93 + -93 = 0
0 + -12x = 21 + -93
-12x = 21 + -93

Combine like terms: 21 + -93 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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