Answer:
176
Step-by-step explanation:
Answer:
<h2>
</h2>
Solution,
When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression
Collect like terms
Calculate the sum
Factor out -2 from the expression
Hope this helps ...
Good luck on your assignment...
Answer:
(11,-23)
Step-by-step explanation:
3a+b=10 equation 1
-4a-2b=2 equation 2
using equation 1 we have
b = 10-3a equation 3
using equation 2 we have
-4a-2(10-3a)=2
-4a-20+6a=2
2a-20=2
2a=22
a=22/2
a=11
so using equation 3
we have
b = 10-3(11)= 10-33
b=-23
finally the answer is
(11,-23)
Answer:
3
5
Step-by-step explanation:
the answer is 3 and 5 down up