4a-2=8

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Solution for 4a-2=8 equation: 


Simplifying
4a + -2 = 8

Reorder the terms:
-2 + 4a = 8

Solving
-2 + 4a = 8

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 4a = 8 + 2

Combine like terms: -2 + 2 = 0
0 + 4a = 8 + 2
4a = 8 + 2

Combine like terms: 8 + 2 = 10
4a = 10

Divide each side by '4'.
a = 2.5

Simplifying
a = 2.5

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