21x-3=40x

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Solution for 21x-3=40x equation:


Simplifying
21x + -3 = 40x

Reorder the terms:
-3 + 21x = 40x

Solving
-3 + 21x = 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.
-3 + 21x + -40x = 40x + -40x

Combine like terms: 21x + -40x = -19x
-3 + -19x = 40x + -40x

Combine like terms: 40x + -40x = 0
-3 + -19x = 0

Add '3' to each side of the equation.
-3 + 3 + -19x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -19x = 0 + 3
-19x = 0 + 3

Combine like terms: 0 + 3 = 3
-19x = 3

Divide each side by '-19'.
x = -0.1578947368

Simplifying
x = -0.1578947368

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