Answer:
C. 
Step-by-step explanation:
{5 = 10 - 5 ☑
{−20 = 1 - 21 ☑
This is what you will get when you plug these coordinates into the system of equations.
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Answer:
-9/10
Step-by-step explanation:
check answer:
number + additive inverse = 0
9/10 + -9/10 = 0
Anything but the number 8
1. 5+3q
2. 5/q-5q
3. q/5+5q
4. 5(q-5)
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