7 times a number decreased by 3equal bequal 18 find the number
Answers
Answered by
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
Answered by
1
Solition:-
7x-3=18
7x=18+3
7x=21
x=21÷7
×=3(Answer)
7x-3=18
7x=18+3
7x=21
x=21÷7
×=3(Answer)
Similar questions