Question

solve 11+2x =19 by trial and error method.

Answer 1

For trial and error method
First,x = 1
11 + 2x = 19
11 + 2 × 1 = 19
11 + 2 = 19
13 = 19
.°. L.H.S not equals to R.H.S
Second,x = 2
11 + 2x = 19
11 + 2 × 2 = 19
11 + 4 = 19
15 = 19
.°. L.H.S not equals to R.H.S
Third,x = 3
11 + 2x = 19
11 + 2 × 3 = 19
11 + 6 = 19
17 = 19
.°. L.H.S not equals to R.H.S
Fourth,x = 4
11 + 2x = 19
11 + 2 × 4 = 19
11 + 8 = 19
19 = 19
.°. L.H.S = R.H.S
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Answer 2

Answer:

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