Question

Linear equations in one variable exercise 8.2 if 4 is added to a number and the sum is multiplied by 3, the result is 30.find the number. with explaination class 8​

Answer 1

Answer:

Let the no. be x

4 is added to the no. and multiplied by 3

then ,no will

(x+4)3

(x+4)3=30

3x+12=30

3x=30-12

3x=18

x=6