29. i) The sum of three consecutive numbers is 135. Form a linear equation and
solve it to find all the numbers.
ii) Solve the given equation for value of m :-
3(m + 6) + 2(m + 1) = 45
Answers
Answered by
0
Answer:
i] 66, 67, 68
ii] m = 5
Step-by-step explanation:
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Answered by
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The sum of three consecutive numbers is 135. Form a linear equation and
solve it to find all the numbers.
Answer :
➠ Three consecutive numbers are 44, 45, 46.
Solution :
Given :
Sum of three consecutive numbers is 135.
To Find :
Three consecutive numbers whose sum is 135.
According to question :
- It is given that 3 numbers are convective. Hence , they are continuous.
- Sum of these 3 consecutive numbers is 135.
- We have to form a linear equation.
Let 3 consecutive numbers be x , (x +1) and (x + 2).
So,
Our equation will be :
• Removing brackets :
• Combining like terms :
• Subtracting 3 from both the sides :
• Dividing both sides by 3 :
So,
- First number = x
- Second number = (x + 1)
- Third number = ( x + 2)
Hence,
Hence,Three consecutive numbers are 44, 45, 46.
━━━━━━━━━━━━━━━
- 3(m + 6) + 2(m + 1) = 45
Answer :
Solution :
Let's solve ,
• Open brackets by multiplying :
• Combining like terms :
• Subtracting 20 from both the sides :
• Dividing both sides by 5 :
━━━━━━━━━━━━━━━
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