Answer:
Step-by-step explanation:
<u>Given that:</u>
(4,y) = (x,7) [Both are equal]
<u>Comparing both sides of the equation:</u>
we will get,
4 = x
or
x = 4
and,
y = 7
8(15 - 4)
8×15 - 8×4
120- 32=88
42-5=37