180=40x-21

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Solution for 180=40x-21 equation:


Simplifying
180 = 40x + -21

Reorder the terms:
180 = -21 + 40x

Solving
180 = -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.
180 + -40x = -21 + 40x + -40x

Combine like terms: 40x + -40x = 0
180 + -40x = -21 + 0
180 + -40x = -21

Add '-180' to each side of the equation.
180 + -180 + -40x = -21 + -180

Combine like terms: 180 + -180 = 0
0 + -40x = -21 + -180
-40x = -21 + -180

Combine like terms: -21 + -180 = -201
-40x = -201

Divide each side by '-40'.
x = 5.025

Simplifying
x = 5.025

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