21=40x

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Solution for 21=40x equation:


Simplifying
21 = 40x

Solving
21 = 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
21 + -40x = 40x + -40x

Combine like terms: 40x + -40x = 0
21 + -40x = 0

Add '-21' to each side of the equation.
21 + -21 + -40x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -40x = 0 + -21
-40x = 0 + -21

Combine like terms: 0 + -21 = -21
-40x = -21

Divide each side by '-40'.
x = 0.525

Simplifying
x = 0.525

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