Qno1)Divide 75 by 1000.
Qno2)Add using column method 2x - 8x2-9; 5x2+ 3x+ 4.
Qno3)solve and check your answer. 7x -3x+8= x+2.
Qno4) Ruchi is 4 years older than Monica , and the sum of their ages is 20 years. Find their ages
Qno5) subtract 15x2 from 17x2.
Answers
Answered by
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Answer:
1. 0.075
3. 7x-3x+8=x+2
4x+8=x+2
4x-x=2-8
3x= -6
×= -2
for checking put the value of x in equation
4. let age of Monica is x
So age of Ruchi is x+4
ATQ
x+x+4=20
2x+4=20
2x=20-4
2x=16
x=8
Age of Monica is 8
and Age of Ruchi is 12
5. (17×2)-(15×2)
2(17-15)
2(2)
4
Hope it will help you..
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