Solve for x and y:
3(2x +y) = 7xy
3(x + 3y) = 11xy
Answers
Answer:
❣ ANSWER ❣
✡ ROCKY HERE ✌
3 ( 2x + y ) = 7 xy
6x + 3y = 7 xy ---(1)
3 ( x + 3y ) = 11 xy
3x + 9y = 11 xy ----(2)
multiplying eq (2) by 2
6x + 18y = 22 xy ----(3)
by elimination method
6x + 18y = 22 xy
6x + 3y = 7 xy
_______________________
15 y = 15 xy
x = 1 15 y cancels on both the sides ----(4)
substituting eq (4) in eq (1)
6 + 3y = 7y
6 = 4y
y = 3 / 2
x = 1 and y = 3 / 2
✴HAPPY TO HELP
Answer:
Step-by-step explanation:
3(2 X+ Y) = 7 XY
6 X+3Y = 7 XY.................(1)
3(X+3 Y) = 11 XY
3 X + 9 Y = 11 XY.....................(2)
(2)*2;
6 X + 18 Y = 22 XY.............(3)
(3)-(1):
( 6 X- 6 X) + ( 18 Y - 3 Y) = 22 XY - 7 XY
15 Y = 15 XY
X = 1
SUBSTITUTING X = 1 IN (1)
6*1 + 3 Y = 7*1*Y
6+3 Y = 7 Y
6 = 7 Y-3 Y
6 = 4 Y
Y = 6/4
Y = 3/2
Y = 1.5
X= 1 AND Y = 1.5.
HOPE THIS HELPS.