12+1.5a=3

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Solution for 12+1.5a=3 equation: 


Simplifying
12 + 1.5a = 3

Solving
12 + 1.5a = 3

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 1.5a = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 1.5a = 3 + -12
1.5a = 3 + -12

Combine like terms: 3 + -12 = -9
1.5a = -9

Divide each side by '1.5'.
a = -6

Simplifying
a = -6

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