-5x+21=18

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Solution for -5x+21=18 equation: 


Simplifying
-5x + 21 = 18

Reorder the terms:
21 + -5x = 18

Solving
21 + -5x = 18

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 + -5x = 18 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = 18 + -21
-5x = 18 + -21

Combine like terms: 18 + -21 = -3
-5x = -3

Divide each side by '-5'.
x = 0.6

Simplifying
x = 0.6

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