Question

the sum of two numbers is 5ab+3b+7a if one of them is -2a+a-5b find the others

Answer 1

Heya!!
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Here's your required answer.
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In the given equation the sum of the two numbers are given i.e 5ab+3b+7a.

We are provided with one of the number i.e -2a+a-5b.

So, in order to find the other number we must subtract the first number from the sum of both the numbers.

So, your solution goes like this:

➡ 5ab+3b+7a - (-2a+a-5b)

➡ 5ab+3b+7a +2a-a+5b

➡ 5ab+3b+5b+7a+2a-a

➡5ab+8b+8a


Its that simple.

Hope this helps you... : )

#Swati

Answer 2

the answer is =5ab+8b+6a