Question

If (a+b) is twice (a - b), then what is the value of a ? (1) b 2 (3) (2) 2b (4a) 3b
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Answer 1

Answer:

Step-by-step explanation:

a+b= 2(a-b)

a+b=2a-2b

a=b+2b

a=3b

so answer is 3b