2a+8=4

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Solution for 2a+8=4 equation: 


Simplifying
2a + 8 = 4

Reorder the terms:
8 + 2a = 4

Solving
8 + 2a = 4

Solving for variable 'a'.

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

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

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

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

Divide each side by '2'.
a = -2

Simplifying
a = -2

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