0.8(x-5)=3+0.4(x+4)

Solution for 0.8(x-5)=3+0.4(x+4) equation:

0.8(x-5)=3+0.4(x+4)

We move all terms to the left:

0.8(x-5)-(3+0.4(x+4))=0

We multiply parentheses

0.8x-(3+0.4(x+4))-4=0


We calculate terms in parentheses: -(3+0.4(x+4)), so:

3+0.4(x+4)

determiningTheFunctionDomain
0.4(x+4)+3

We multiply parentheses

0.4x+1.6+3

We add all the numbers together, and all the variables

0.4x+4.6

Back to the equation:

-(0.4x+4.6)


We get rid of parentheses

0.8x-0.4x-4.6-4=0

We add all the numbers together, and all the variables

0.4x-8.6=0

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

0.4x=8.6

x=8.6/0.4

x=21+0.2/0.4