Question

45=x+7

Answer 1

to find the value of x subtract 7 from both sides

Answer 2

45 - 7 = x+ 7 - 7
45 - 7 = x
what is the value of x?

Answer 3

38

Answer 4

yes

Answer 5

the purpose of subtracting both sides by 7 was to isolate x on right hand side . You need to keep the equation balanced so whatever you do to one side you have to do to the other.

Answer 6

thanks

Answer 7

yes you're right.