1.2n-3.5=1.5(1+n)

Solution for 1.2n-3.5=1.5(1+n) equation:

1.2n-3.5=1.5(1+n)

We move all terms to the left:

1.2n-3.5-(1.5(1+n))=0

We add all the numbers together, and all the variables

1.2n-(1.5(n+1))-3.5=0


We calculate terms in parentheses: -(1.5(n+1)), so:

1.5(n+1)

We multiply parentheses

1.5n+1.5

Back to the equation:

-(1.5n+1.5)


We get rid of parentheses

1.2n-1.5n-1.5-3.5=0

We add all the numbers together, and all the variables

-0.3n-5=0

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

-0.3n=5

n=5/-0.3

n=-16+0.2/0.3