4a+8=2a+12

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Solution for 4a+8=2a+12 equation:


Simplifying
4a + 8 = 2a + 12

Reorder the terms:
8 + 4a = 2a + 12

Reorder the terms:
8 + 4a = 12 + 2a

Solving
8 + 4a = 12 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
8 + 4a + -2a = 12 + 2a + -2a

Combine like terms: 4a + -2a = 2a
8 + 2a = 12 + 2a + -2a

Combine like terms: 2a + -2a = 0
8 + 2a = 12 + 0
8 + 2a = 12

Add '-8' to each side of the equation.
8 + -8 + 2a = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = 12 + -8
2a = 12 + -8

Combine like terms: 12 + -8 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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