Math, asked by samjeeva, 1 year ago

divide:3x+4y=-25,2x-3y=6

Answers

Answered by SAKNA1
1

hey sakna here


3x + 4y = -25

2x - 3y = 6


6x + 8y = -50

6x - 9y = 18

by substracting bith eq we gt


y=31




samjeeva: answer:x=-3,y=-4
Answered by toshitknyadavp4aij1
1
{3x+4y=6
-25÷2x-3y=6

{3x+4y=6
-25x-6y=12

{75x+100y=150
-75x-18y=36

82y=186

y=93/41

3x+4×93/41=6

x=42/41
check:
(x,y)=(42/41, 93/41)

3x(-42/41)+4×93/41=25÷2×(-42/41)-3×93/41=6

6=6=6

therefore y= -42/41

x=93/41
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