Question

a+b = ?,if a+c= 4×1/3,c+d = 5×1/3and d+b=9×1/3

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Answer 1

Answer:

a+b = -8/3

Step-by-step explanation:

(a+c)-(c+d)=4/3 - 5/3

a+c-c-d= 4-5/3

a-d = -1/3

(a-d)+(d+b) = -1/3 + 9/3

a-d+d+b = (-1+9)/3

a+b = -8/3