Answer:
x = 6
Step-by-step explanation:
7 + x - 15 = -2
⇒ x-15 +7 = -2
⇒ x -8 = -2
add 8 on both sides
⇒ x= -2 +8
∴x = 6
Answer:
True
Step-by-step explanation:
The reciprocal of
is
, then
÷ - 
Change ÷ to × and turn the second fraction upside down, that is
× -
← cancel 11 and 55 by 11
=
× - 
= -
← True
Hope this helps. (238 R3)