Question

Solve the following equations by trial and error method.

(i) 2 + y = 7 (ii) a – 2 = 6.​

Answer 1

Answer:

2 + y = 7

y = 5

a - 2 = 6

a = 8

Answer 2

Answer:

i) 2+5=7

ii) 8-2=6

Step-by-step explanation:

i) Let we take value of y be 2,

So, 2+y=7

2+2=7........(I)

LHS ≠ RHS

Likewise, put the value of y as 3,4,5 {Show like (I)}

Now,

Let we assume y value be 5

So, 2+y=7

2+5=7

LHS=RHS

So, 2+5=7 is the solution by trial and error method

(ii) Do like 1 st part

Putting Value of a as 8

a-2=6

6-2=6

LHS=RHS

So, 6-2 is the solution by trial and error method

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