2a+7=y

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Solution for 2a+7=y equation: 


Simplifying
2a + 7 = y

Reorder the terms:
7 + 2a = y

Solving
7 + 2a = y

Solving for variable 'a'.

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

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

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

Divide each side by '2'.
a = -3.5 + 0.5y

Simplifying
a = -3.5 + 0.5y

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