Answer:
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All three sides always add up to 360 so add the given measures and subtract it from 360 and that would give you your answer.
The value of x = 1
5x + 15 = 20
- 15 -15
5x = 5 ( Divide by 5)
Answer:
The system has one solution.
Step-by-step explanation:
To find the number of solutions of the system, we equal both equations for y.
If we have ax = b, in which both a and b are different of 0, we have one solution.
If both a and b are 0, we have infinite solutions.
If a is 0 and b is not, there are no solutions.
y=6/7x-8 and y=7/9x+10/9
So





Both a and b are different of 0, so the system has one solution.
Step-by-step explanation:
I think this will help you. Thanks.