5-21X=7.5

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Solution for 5-21X=7.5 equation: 


Simplifying
5 + -21X = 7.5

Solving
5 + -21X = 7.5

Solving for variable 'X'.

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

Add '-5' to each side of the equation.
5 + -5 + -21X = 7.5 + -5

Combine like terms: 5 + -5 = 0
0 + -21X = 7.5 + -5
-21X = 7.5 + -5

Combine like terms: 7.5 + -5 = 2.5
-21X = 2.5

Divide each side by '-21'.
X = -0.119047619

Simplifying
X = -0.119047619

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