-3x+21=27

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Solution for -3x+21=27 equation: 


Simplifying
-3x + 21 = 27

Reorder the terms:
21 + -3x = 27

Solving
21 + -3x = 27

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -3x = 27 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 27 + -21
-3x = 27 + -21

Combine like terms: 27 + -21 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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