0.7(2a-2)+0.4a=3

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Solution for 0.7(2a-2)+0.4a=3 equation: 



0.7(2a-2)+0.4a=3

We move all terms to the left:

0.7(2a-2)+0.4a-(3)=0

We add all the numbers together, and all the variables

0.4a+0.7(2a-2)-3=0

We multiply parentheses

0.4a+1.4a-1.4-3=0

We add all the numbers together, and all the variables

1.8a-4.4=0

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

1.8a=4.4

a=4.4/1.8

a=2+0.8/1.8

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