5a+12=20+3a

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Solution for 5a+12=20+3a equation:


Simplifying
5a + 12 = 20 + 3a

Reorder the terms:
12 + 5a = 20 + 3a

Solving
12 + 5a = 20 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12 + 5a + -3a = 20 + 3a + -3a

Combine like terms: 5a + -3a = 2a
12 + 2a = 20 + 3a + -3a

Combine like terms: 3a + -3a = 0
12 + 2a = 20 + 0
12 + 2a = 20

Add '-12' to each side of the equation.
12 + -12 + 2a = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 20 + -12
2a = 20 + -12

Combine like terms: 20 + -12 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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