Question

3a-8=-b a=4+b Allá a+b

Answer 1

3a -8 = -b a=4+b

3a+b=8 a-b=4

[3a +b=8

[a- b=4

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4a=12

a=3

reemplazando

b=-1

pide a+b <>3 +(-1)=2