15.4k views
5 votes
The sum of two numbers is 85. twice one number plus four times the other is 218. find the numbers

1 Answer

6 votes
x + y = 85
2x + 4y = 218
x = 85 - y
2(85 - y) + 4y = 218
170 - 2y + 4y = 218
170 + 2y = 218
2y = 48
y = 24
x = 61
User Danywalls
by
8.2k points