89=21x

Solution for 89=21x equation:

Simplifying
89 = 21x

Solving
89 = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
89 + -21x = 21x + -21x

Combine like terms: 21x + -21x = 0
89 + -21x = 0

Add '-89' to each side of the equation.
89 + -89 + -21x = 0 + -89

Combine like terms: 89 + -89 = 0
0 + -21x = 0 + -89
-21x = 0 + -89

Combine like terms: 0 + -89 = -89
-21x = -89

Divide each side by '-21'.
x = 4.238095238

Simplifying
x = 4.238095238