2
3. Solve these equations by trial and error method.
(b) 2x = 18
(c) 9- x= 3
(a) x+4= 7
(d)
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= 12
4
Answers
Answered by
6
Answer:
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Answered by
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Solution:
Trial and Error Method
B. 2x = 18
Putting x = 0
2(0) = 18
0 = 18
It is not true
Therefore, x = 0 is not a solution.
Putting x = 9
2(9) = 18
18 = 18
It is true.
Therefore, x = 9 is a solution.
C. 9 - x = 3
x = 6
A. x + 4 = 7
x = 3
D. x = 124
Hope this would help.
Trial and Error Method
B. 2x = 18
Putting x = 0
2(0) = 18
0 = 18
It is not true
Therefore, x = 0 is not a solution.
Putting x = 9
2(9) = 18
18 = 18
It is true.
Therefore, x = 9 is a solution.
C. 9 - x = 3
x = 6
A. x + 4 = 7
x = 3
D. x = 124
Hope this would help.
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