0.3(2a+3)+1.1=-0.2(a-3)-1.8

Solution for 0.3(2a+3)+1.1=-0.2(a-3)-1.8 equation:

0.3(2a+3)+1.1=-0.2(a-3)-1.8

We move all terms to the left:

0.3(2a+3)+1.1-(-0.2(a-3)-1.8)=0

We multiply parentheses

0.6a-(-0.2(a-3)-1.8)+0.9+1.1=0


We calculate terms in parentheses: -(-0.2(a-3)-1.8), so:

-0.2(a-3)-1.8

We multiply parentheses

-0.2a+0.6-1.8

We add all the numbers together, and all the variables

-0.2a-1.2

Back to the equation:

-(-0.2a-1.2)


We add all the numbers together, and all the variables

0.6a-(-0.2a-1.2)+2=0

We get rid of parentheses

0.6a+0.2a+1.2+2=0

We add all the numbers together, and all the variables

0.8a+3.2=0

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

0.8a=-3.2

a=-3.2/0.8

a=-4