Question

solve. x-2.1=-7.5

Answer 1

x-2.1=-7.5
solve means find x, which means put everything on the x's side to the other side:

x= -7.5+2.1
x=-5.4

Answer 2

Make x the subject,
x = -7.5 + 2.1
x = -5.4

Answer 3

thank you very much

Answer 4

Your welcome :)