Math, asked by amansingh2873, 10 months ago

If 13 X + 19 y = 90 and 19x +13y =70 then X+ y=•••••••••••••

Answers

Answered by 1386

1

Answer:

Step-by-step explanation:

13x+19y=90---->equation 1

19x+13y=70---->equation 2

Equation 1+ Equation 2

13x+19y+19x+13y=90+70

32x+32y=160

32(x+y)=160

x+y=160/32

x+y=5

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