2A = 2xy + xz
2A - xz = 2xy + xz - xz
2A - xz = 2xy
( 2A - xz ) ÷ 2x = 2xy ÷ 2x
A/x - z/2 = y
Answer:
Chester would receive a discount of $2.87 on using the coupon.
Step-by-step explanation:
We are given the following in the question:
Original cost of shirt = $28.70
Discount =

We have to find the discount Chester would receive from using this coupon.
Discount amount =

Thus, Chester would receive a discount of $2.87 on using the coupon.
First you can add 26 on both sides so you gonna have : 4x - 3x = 16 - 20 + 26
so you can say : x = -4 + 26 so x= 22 :)))
i hope this be helpful
have a nice day