x/5+x/3+7=x solve this question
Answers
Answered by
0
Answer:
x/5+x/3+7=x
Step-by-step explanation:
(5+3+7x)/x = x
(8+7x)/x = x
8+7x = x*x
8+7x =x^2
0 =x^2-7x-8
0 =x^2-8x+1x-8
0 = x(x-8)+1(x-8)
0 =(x+1) (x-8)
Hence,
x+1 =0 so, x = -1
x-8 =0 so, x = 8
Answered by
0
Answer:
x= 15
Step-by-step explanation:
x/5+x/3+7=x
=>3x+5x+105/15=x
=>8x+105/15=x
=>8x+105=15x
=>105= 15x-8x
=>105= 7x
=> x= 105/7
=> x= 15
Hope that helps you.....
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