9x+21=3x+93

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


Simplifying
9x + 21 = 3x + 93

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

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

Solving
21 + 9x = 93 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + 9x + -3x = 93 + 3x + -3x

Combine like terms: 9x + -3x = 6x
21 + 6x = 93 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 6x = 93 + 0
21 + 6x = 93

Add '-21' to each side of the equation.
21 + -21 + 6x = 93 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 93 + -21
6x = 93 + -21

Combine like terms: 93 + -21 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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