Ayuda con esta ecuacion por favor
4/x + 7 = -1/x + 2
2 answers:
4/x + 1/x =2-7
5/x = -5
5/-5=x
-1=x
Answer x = -1
I'm assuming you want that solved. I will try to help you but I don't speak Spanish.
4/x+7=-1/x+2
I'm assuming that x+7 is all part of the denominator, and x+2 is all part of the other denominator...
Like this:
4/(x+7)=-1/(x+2)
4(x+2)=-1(x+7) (cross multiply)
4x+8=-x-7 (distribute)
5x+8=-7 (add 1x to both sides)
5x=-15 (subtract 8 from both sides)
x=-3 (divide both sides by 5)
I hope this helps. I don't speak Spanish, but I hope you speak English so that I can help you!
Best of luck!
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Answer: 4
How do you find that out?
Divide the two numbers on the right, 36 and 8.
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7 * 4 + 8 = 36
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Step-by-step explanation:
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