Answer:
x = 29
Step-by-step explanation:
Follow the directions: substitute 13 for y in the first equation.
x + 13 = 42
Subtract 13 from both sides of the equation.
x +13 -13 = 42 -13
x = 29
Discount 15 times .20= $3 discount
Sale price = $12. 15-3=12
Answer: 27
Step-by-step explanation:
2 and 14
2 and 14
2 and 14
2 and 14
2 and 14
Answer: do the math
Step-by-step explanation: