A customer bought the following items for her children during a back to school sale:
2 dresses at $31.50 each
1 purse at $10.98
5 pairs of socks 2 pairs for $3
3 shirts at $8.99 each
1 skirt at $12.95

What was the total purchase amount?

67.42

Step-by-step explanation:

add all together

x=-1+1/3

Step-by-step explanation:

5-4(3x-2)=4-5(3x-1)

We move all terms to the left:

5-4(3x-2)-(4-5(3x-1))=0

We multiply parentheses

-12x-(4-5(3x-1))+8+5=0

We calculate terms in parentheses: -(4-5(3x-1)), so:

4-5(3x-1)

-5(3x-1)+4

We multiply parentheses

-15x+5+4

We add all the numbers together, and all the variables

-15x+9

Back to the equation:

-(-15x+9)

We add all the numbers together, and all the variables

-12x-(-15x+9)+13=0

We get rid of parentheses

-12x+15x-9+13=0

We add all the numbers together, and all the variables

3x+4=0

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

3x=-4

x=-4/3

x=-1+1/3