3a+7y-a=

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Solution for 3a+7y-a= equation: 


Simplifying
3a + 7y + -1a = 0

Reorder the terms:
3a + -1a + 7y = 0

Combine like terms: 3a + -1a = 2a
2a + 7y = 0

Solving
2a + 7y = 0

Solving for variable 'a'.

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

Add '-7y' to each side of the equation.
2a + 7y + -7y = 0 + -7y

Combine like terms: 7y + -7y = 0
2a + 0 = 0 + -7y
2a = 0 + -7y
Remove the zero:
2a = -7y

Divide each side by '2'.
a = -3.5y

Simplifying
a = -3.5y

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