divide:3x+4y=-25,2x-3y=6
Answers
Answered by
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
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
-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
Similar questions
Hindi,
7 months ago
Math,
7 months ago
Computer Science,
1 year ago
Math,
1 year ago
Math,
1 year ago