Question
Solve the following equations by trial and error method:
x - 7 = 10
x - 7 = 10
|
x
|
L.H.S.
|
R.H.S.
|
Is L.H.S. = R.H.S.
|
|
9
|
9 - 7 = 2
|
10
|
No
|
|
10
|
10 - 7 = 3
|
10
|
No
|
|
11
|
11 - 7 = 4
|
10
|
No
|
|
12
|
12 - 7 = 5
|
10
|
No
|
|
13
|
13 - 7 = 6
|
10
|
No
|
|
14
|
14 - 7 = 7
|
10
|
No
|
|
15
|
15 - 7 = 8
|
10
|
No
|
|
16
|
16 - 7 = 9
|
10
|
No
|
|
17
|
17 - 7 = 10
|
10
|
Yes
|
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