What is the result of adding these twice equations?
5x-y=6
-2x+y=8
1 answer:
Answer: 3x=14
X=14/3
y=52/3
Step-by-step explanation:
5x-y-2x+y=6+8
3x=14
X=14/3
Y=8+2x
Y=8+28/3
Y=52/3
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2r-6+5r=3-r+7
7r-6=10-r
7r+r=10+6
8r=16
r=16/8
r=2
Answer:
15
Step-by-step explanation:
using the rule of exponents
= 
=
=
= 15
Answer:
27:18.
Step-by-step explanation:
27/9 = 3
18/9 = 2
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Hope this helps