21x+42y=

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Solution for 21x+42y= equation: 


Simplifying
21x + 42y = 0

Solving
21x + 42y = 0

Solving for variable 'x'.

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

Add '-42y' to each side of the equation.
21x + 42y + -42y = 0 + -42y

Combine like terms: 42y + -42y = 0
21x + 0 = 0 + -42y
21x = 0 + -42y
Remove the zero:
21x = -42y

Divide each side by '21'.
x = -2y

Simplifying
x = -2y

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