Question

solve simulataneous equation x+y=10 and x-y=12

Answer 1

Ist equation is this x=10-y
IInd equation is this x=12+y

Answer 2

Answer:

Step-by-step explanation:

X+Y=10. (1)

X-Y=12. (2)

Adding (1) and(2) :

X+Y=10

+ X-Y=12

2X=22

X=11

Put x=11 in (1)

11+Y=10

Y=-1

Step-by-step explanation: