2a+8=a+4

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Solution for 2a+8=a+4 equation:


Simplifying
2a + 8 = a + 4

Reorder the terms:
8 + 2a = a + 4

Reorder the terms:
8 + 2a = 4 + a

Solving
8 + 2a = 4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
8 + 2a + -1a = 4 + a + -1a

Combine like terms: 2a + -1a = 1a
8 + 1a = 4 + a + -1a

Combine like terms: a + -1a = 0
8 + 1a = 4 + 0
8 + 1a = 4

Add '-8' to each side of the equation.
8 + -8 + 1a = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 1a = 4 + -8
1a = 4 + -8

Combine like terms: 4 + -8 = -4
1a = -4

Divide each side by '1'.
a = -4

Simplifying
a = -4

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