A printer that costs x dollars is discounted by 40% of the original price. There is an 8% sales tax on the final price. What are 2 equivalents that can show the final price of the printer and correct explanation?

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37