2a+8=4a+12

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


Simplifying
2a + 8 = 4a + 12

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

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

Solving
8 + 2a = 12 + 4a

Solving for variable 'a'.

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

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

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

Combine like terms: 4a + -4a = 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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