if 2x+3y=34 and {(x+y)/y}=(13/18),then the value of 5y+7x is
Answers
Answered by
1
Step-by-step explanation:
2x + 3y = 34 .. 1
x+y/ y = (13 /18 )
x+y = y (13 /18)
x+y = 13y /18y
( x+y) * 13 y= 18y
13 xy + 13 y² = 18y
devidide by y
13x +13 y = 18 .. 2
2x + 3y = 34
13x + 13y = 18
____________
15x + 16y = 52
Answered by
1
Answer:
15x + 16y = 52
is the answer
Similar questions