Question

4. Solve the following equations by trial and error
method.
(i) b + 6 = 12
(ii) x + 2 = -2
(iii) +8=0
(iv) d + 8 = -3​

Answer 1

Answer :-

( i ) b + 6 = 12

12 - 6 = 6

∴ 6 + 6 = 12

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( ii ) x + 2 = -2

-2 - 2 = - 4

∴ - 4 + 2 = - 2

_________________

( iii ) x + 8 = 0

0 - 8 = - 8

∴ - 8 + 8 = 0

_________________

( iv ) d + 8 = - 3

- 3 - 8 = - 11

∴ - 11 + 8 = - 3

_________________

Final Answer's :-

( i ) 6

( ii ) - 4

( iii ) - 8

( iv ) -11