Question

1)the sum of three times of a number and 11 is 32. find the number.
2)set up equations and solve
a)Rahul takes a number such that one fourth of the number is 3 more than 7 .
b)answer things a number if he takes away 7 from 5 by 2 of the number the result is 23.

3)write equations for the following statements
a)the sum of number X and 4 is 9
b)2 Substracted from y is 8.
c)Seven times m plus 7 gets you 77
d)ten times a is 70.

4)the teacher tells the class that the highest marks obtained by a student in her class is twice the least marks + 7. the highest score is 87. what is least score ?​

Answer 1

Answer:

B乛LaC 个 Łeğit

Sorry don't know ask another question

Answer 2

Answer:

1) 7

2) a)

the no is 40

b) 12

3) a) x+4=9

x=9-4=5

b) 2-y=8

y=2-8=-6

c) 7m+7=77

d) 10a=70

4) 40

Step-by-step explanation:

2) a) let the no be x

it is given x÷4=7+3

x=10×4 x=40

b) let the no be x

5/2(x)-7=23

5/2x=23+7

x=30×2/5

x=12

4)let least mark be x

2x+7=87

2x=87-7=80

x=80/2=40