Question

21) Solve the equation 7x - 3 = 18 by trail and error method.​

Answer 1

Step-by-step explanation:

7x - 3 = 18

7x = 18+ 3

7x= 21

x = 21 / 7

x = 3

Answer 2

234

Step-by-step explanation:

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78+89=100

8192

27839282992

829