3a+12=2a+16

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Solution for 3a+12=2a+16 equation:


Simplifying
3a + 12 = 2a + 16

Reorder the terms:
12 + 3a = 2a + 16

Reorder the terms:
12 + 3a = 16 + 2a

Solving
12 + 3a = 16 + 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.
12 + 3a + -2a = 16 + 2a + -2a

Combine like terms: 3a + -2a = 1a
12 + 1a = 16 + 2a + -2a

Combine like terms: 2a + -2a = 0
12 + 1a = 16 + 0
12 + 1a = 16

Add '-12' to each side of the equation.
12 + -12 + 1a = 16 + -12

Combine like terms: 12 + -12 = 0
0 + 1a = 16 + -12
1a = 16 + -12

Combine like terms: 16 + -12 = 4
1a = 4

Divide each side by '1'.
a = 4

Simplifying
a = 4

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