Question

6x-3y=-10;3x+5y=8 find by cramers method value of D

Answer 1

6x-3y=10 ....1

3x+5y=8 ....2

from ....1

6x=10+3y

x=10+3y/6

put in ....2

3(10+3y/6)+5y=8

10+8y=16

8y=16-10

y=3/4

put in ....1

6x-3(3/4)=8

6x-9/4=8

6x=32+9/4

x=41/16