12+1.5=3a

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Solution for 12+1.5=3a equation:


Simplifying
12 + 1.5 = 3a

Combine like terms: 12 + 1.5 = 13.5
13.5 = 3a

Solving
13.5 = 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.
13.5 + -3a = 3a + -3a

Combine like terms: 3a + -3a = 0
13.5 + -3a = 0

Add '-13.5' to each side of the equation.
13.5 + -13.5 + -3a = 0 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + -3a = 0 + -13.5
-3a = 0 + -13.5

Combine like terms: 0 + -13.5 = -13.5
-3a = -13.5

Divide each side by '-3'.
a = 4.5

Simplifying
a = 4.5

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