4a + 6b = 10
2a - 4b = 12...multiply by -2
----------------
4a + 6b = 10
-4a + 8b = - 24 (result of multiplying by -2)
------------------add
14b = - 14
b = -14/14
b = -1
2a - 4b = 12
2a - 4(-1) = 12
2a + 4 = 12
2a = 12 - 4
2a = 8
a = 8/2
a = 4
so 12a = 12(4) = 48 <==
Answer:
175 hope this helps
Step-by-step explanation:
Add 72 and 113
then subtract that from 360
Answer:
(2, -4)
Step-by-step explanation:
I did some research.
Plz click the Thanks button!
<Jayla>
There both types of numbers but a whole number is a number with no exponents or decimals, but decimals are like a broken un half whole number
