Question

7 times a number decreased by 3equal bequal 18 find the number

Answer 1

Answer:

The number is 3

Step-by-step explanation:

Let the number be X

7x - 3 = 18 (bring 3 the other side and '-' changes into '+' when brought the other side)

7x = 18 + 3

7x = 21 (bring 7 the other side& '×' changes into '÷' when brought the other side of '=')

x = 21 ÷ 7

x = 3

Answer 2

Solition:-
7x-3=18
7x=18+3
7x=21
x=21÷7
×=3(Answer)