Answer:

Step-by-step explanation:
Using the rule of exponents
×
=
, then
×
=
= 
2y=2_8
2y=_6
Divide both sides by 2 so that y can stand alone
Therefore y=_3
Answer:
12.5
Step-by-step explanation:
first you do the one in the 40-15 then you add 50 the you divide by 6
Answer:
Step-by-step explanation:
hello :
X/2 + 3/8 = 1
X/2 + 3/8 -3/8= 1-3/8
X/2 = 5/3 means : 3x=10 so : x=10/3