3a+5a-12=4a+8

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Solution for 3a+5a-12=4a+8 equation:


Simplifying
3a + 5a + -12 = 4a + 8

Reorder the terms:
-12 + 3a + 5a = 4a + 8

Combine like terms: 3a + 5a = 8a
-12 + 8a = 4a + 8

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

Solving
-12 + 8a = 8 + 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.
-12 + 8a + -4a = 8 + 4a + -4a

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

Combine like terms: 4a + -4a = 0
-12 + 4a = 8 + 0
-12 + 4a = 8

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

Combine like terms: -12 + 12 = 0
0 + 4a = 8 + 12
4a = 8 + 12

Combine like terms: 8 + 12 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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