4(3-5n)+3=7(5-4n)

Solution for 4(3-5n)+3=7(5-4n) equation:

4(3-5n)+3=7(5-4n)

We move all terms to the left:

4(3-5n)+3-(7(5-4n))=0

We add all the numbers together, and all the variables

4(-5n+3)-(7(-4n+5))+3=0

We multiply parentheses

-20n-(7(-4n+5))+12+3=0


We calculate terms in parentheses: -(7(-4n+5)), so:

7(-4n+5)

We multiply parentheses

-28n+35

Back to the equation:

-(-28n+35)


We add all the numbers together, and all the variables

-20n-(-28n+35)+15=0

We get rid of parentheses

-20n+28n-35+15=0

We add all the numbers together, and all the variables

8n-20=0

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

8n=20

n=20/8

n=2+1/2