Answer:
x = 4
Step-by-step explanation:
4(3x - 10) + 7 = 15
multiply 3x and 10 by 4
12x - 40 + 7 = 15
add 40 both sides
12x + 7 = 55
subtract 7 from both sides
12x = 48
divide
hope this helps :)
it will cost $10.63 for 2.5 pounds of roast beef
$12.95 for 3.5 pounds of ham
Que curso es
Sten