3x+21y+7x=

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Solution for 3x+21y+7x= equation:


Simplifying
3x + 21y + 7x = 0

Reorder the terms:
3x + 7x + 21y = 0

Combine like terms: 3x + 7x = 10x
10x + 21y = 0

Solving
10x + 21y = 0

Solving for variable 'x'.

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

Add '-21y' to each side of the equation.
10x + 21y + -21y = 0 + -21y

Combine like terms: 21y + -21y = 0
10x + 0 = 0 + -21y
10x = 0 + -21y
Remove the zero:
10x = -21y

Divide each side by '10'.
x = -2.1y

Simplifying
x = -2.1y

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