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manueelaa
10.09.2020 •
Computers and Technology
How would you strike through some text using Rmacdowm
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Ответ:
There are 2 ways to do this with elimination method. You can either multiply the first equation by 6 or the second equation by 2. I think multiplying by 2 is easier therefore that's the way I'm going to show you.
x-2y=3001️⃣
6x-y-95=0 -simplify> 6x-y=952️⃣
multiply both sides of second equation by 2 to make 2y and eliminate
2️⃣*2
12x-2y=1903️⃣
Now we can eliminate!
3️⃣-1️⃣
12x-2y-(x-2y)=190-300
11x=-110
x=-10
Now substitute this back into either of the equations.
-10-2y=300
2y=-10-300
y=-155
So we get answers
x=-10
y=-155
Now check our work:
-10- 2*-155=-10+310=300 Correct!
6*-10- -155-95=155-95-60=60-60=0 Correct!
I really hope this helped you and if you have any more question about a step in how I got the answer, you can always ask in the comments and I will come answer whenever I see it!