Question

Set up equations and solve them to find the unknown numbers in the following cases. 1. The sum of three time a number and 11 is 32. Find the number. Ans​

Answer 1

Answer:

4+8α=60 let α be the number.

⇒8α=56

⇒α=7

b) let the number be x

Given :-

5

1

×(x)−4=3

5

x

=7⇒x=35

c) let the number be P

Given :-

4

3

(P)+3=21

4

3

(P)=18⇒P=6×4=24

d) let the number be 'y'

Given 2y−11=15

⇒2y=26

⇒y=13

(e) let the number be 'z'

50−3(z)=8

⇒3(z)=4z⇒

′

z

′

=14

(f) let the number that was thought be 'k'

Given :-

5

(k+19)

=8⇒k+19=40

⇒k=21

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Answer 2

Answer:

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Step-by-step explanation:

Let the number = x

Given that ,

Sum of three times x and 11 = 32

So , 3x + 11 = 32

3x = 32 - 11

3x = 21

x = 21 / 3

x = 7