A+.4(a-2)=1.2

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Solution for A+.4(a-2)=1.2 equation: 



+.4(A-2)=1.2

We move all terms to the left:

+.4(A-2)-(1.2)=0

We add all the numbers together, and all the variables

.4(A-2)-1.2=0

We multiply parentheses

0.4A-0.8-1.2=0

We add all the numbers together, and all the variables

0.4A-2=0

We move all terms containing A to the left, all other terms to the right

0.4A=2

A=2/0.4

A=5

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