(4+x)(5-x)/(2+x)(7-x)=1
find x
Answers
Answered by
2
Answer:
x= 3/2 or 1.5
Step-by-step explanation:
(4+x)(5-x) / (2+x)(7-x) = 1
(4+x)(5-x) = (2+x)(7-x)
4(5-x) + x(5-x) = 2(7-x) + x(7-x)
20 - 4x + 5x - x^2 = 14 - 2x + 7x - x^2
20 + x = 14 + 5x
20-14 = 5x - x
6 = 4x
6/4 = x
3/2 = x
Therefore, x = 3/2 or 1.5
Hope this helps you
Answered by
0
Answer:
x= 5/2
= 2 and a half
= 2.5
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