3a-y=4+a

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Solution for 3a-y=4+a equation:


Simplifying
3a + -1y = 4 + a

Solving
3a + -1y = 4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
3a + -1a + -1y = 4 + a + -1a

Combine like terms: 3a + -1a = 2a
2a + -1y = 4 + a + -1a

Combine like terms: a + -1a = 0
2a + -1y = 4 + 0
2a + -1y = 4

Add 'y' to each side of the equation.
2a + -1y + y = 4 + y

Combine like terms: -1y + y = 0
2a + 0 = 4 + y
2a = 4 + y

Divide each side by '2'.
a = 2 + 0.5y

Simplifying
a = 2 + 0.5y

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