54-4x=-21

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Solution for 54-4x=-21 equation: 


Simplifying
54 + -4x = -21

Solving
54 + -4x = -21

Solving for variable 'x'.

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

Add '-54' to each side of the equation.
54 + -54 + -4x = -21 + -54

Combine like terms: 54 + -54 = 0
0 + -4x = -21 + -54
-4x = -21 + -54

Combine like terms: -21 + -54 = -75
-4x = -75

Divide each side by '-4'.
x = 18.75

Simplifying
x = 18.75

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