2a+2b=z

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Solution for 2a+2b=z equation: 


Simplifying
2a + 2b = z

Solving
2a + 2b = z

Solving for variable 'a'.

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

Add '-2b' to each side of the equation.
2a + 2b + -2b = -2b + z

Combine like terms: 2b + -2b = 0
2a + 0 = -2b + z
2a = -2b + z

Divide each side by '2'.
a = -1b + 0.5z

Simplifying
a = -1b + 0.5z

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