2a-4=36

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Solution for 2a-4=36 equation: 


Simplifying
2a + -4 = 36

Reorder the terms:
-4 + 2a = 36

Solving
-4 + 2a = 36

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 = 36 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 36 + 4
2a = 36 + 4

Combine like terms: 36 + 4 = 40
2a = 40

Divide each side by '2'.
a = 20

Simplifying
a = 20

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