12+3a=5+2a

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Solution for 12+3a=5+2a equation:


Simplifying
12 + 3a = 5 + 2a

Solving
12 + 3a = 5 + 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 = 5 + 2a + -2a

Combine like terms: 3a + -2a = 1a
12 + 1a = 5 + 2a + -2a

Combine like terms: 2a + -2a = 0
12 + 1a = 5 + 0
12 + 1a = 5

Add '-12' to each side of the equation.
12 + -12 + 1a = 5 + -12

Combine like terms: 12 + -12 = 0
0 + 1a = 5 + -12
1a = 5 + -12

Combine like terms: 5 + -12 = -7
1a = -7

Divide each side by '1'.
a = -7

Simplifying
a = -7

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