Question

if x+y=7 and x-y=3 find xsquare+ysquare

Answer 1

x=5

y=2

than x2+y2=25+4=29

Answer 2

@brainly..

Linear equation in 2 variable

x+y=7. eq1

x–y=3. eq2

2x=10. (After adding eq1 and 2)

x=5

so, y=2

x^2+y^2

25+4

29

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