How do you find whether a pair of lines are parallel, perpendicular?
1 answer:
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Answer:
x=12
Step-by-step explanation:
For the given situation , a quantity x is added to gives 15.
We can set up equation as
Multiply each term by 4 on both sides to get rid the denominator.
It gives,
4 x+x=60
Now, combine like terms
5 x=60
Divide both sides by 5
x=12.