(2a-4)=m

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Solution for (2a-4)=m equation: 


Simplifying
(2a + -4) = m

Reorder the terms:
(-4 + 2a) = m

Remove parenthesis around (-4 + 2a)
-4 + 2a = m

Solving
-4 + 2a = m

Solving for variable 'a'.

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

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

Combine like terms: -4 + 4 = 0
0 + 2a = 4 + m
2a = 4 + m

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

Simplifying
a = 2 + 0.5m

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