Answer:
x=6
Explanation:
2x-5=7
add 5 to both sides
so the -5 cancels out on this side because -5+5=0
on the other side 7+5=12
which means:
2x=12
to get rid of the 2 we need to divided each side by 2
so...
x=6 as 12 divided by 2 is 6 and 2x divided by 2 is just x
this leaves us with x=6
:)