3.4(2a+3)=-3(a-1)+31

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Solution for 3.4(2a+3)=-3(a-1)+31 equation: 



3.4(2a+3)=-3(a-1)+31

We move all terms to the left:

3.4(2a+3)-(-3(a-1)+31)=0

We multiply parentheses

6.8a-(-3(a-1)+31)+10.2=0



We calculate terms in parentheses: -(-3(a-1)+31), so:

-3(a-1)+31

We multiply parentheses

-3a+3+31

We add all the numbers together, and all the variables

-3a+34

Back to the equation:

-(-3a+34)



We get rid of parentheses

6.8a+3a-34+10.2=0

We add all the numbers together, and all the variables

9.8a-23.8=0

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

9.8a=23.8

a=23.8/9.8

a=2+3.5/8.16666666667

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