Answer:
a = 25 , b = 14
Step-by-step explanation:
For A
a/5 + 3 = 8
a/5 = 8 - 3
a/5 = 5
Cross multiply
a = 5 * 5
a = 25
For B
3b/7 - 1 = 5
3b/7 = 5 + 1
3b/7 = 6
3b = 42
b = 42 / 3
b = 14
Hope it will help
An atom of sodium has 11 proton, 11 electrons, and 12 neutrons.
2+4 + 0+ 1 = $7
ok
a)
b)
c)
- 8 + 6 = - 2
-2 = [-8] + 6
<u>-TheUnknownScientist</u>
