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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