x-5/6-x-7/30=1-x/5 solve it
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x in (-oo:+oo)
x-x-(5/6)-(7/30) = 1-(x/5) // - 1-(x/5)
x-x+x/5-(5/6)-(7/30)-1 = 0
x-x+x/5-5/6-7/30-1 = 0
1/5*x-31/15 = 0 // + 31/15
1/5*x = 31/15 // : 1/5
x = 31/15/1/5
x = 31/3
x = 31/3
x-x-(5/6)-(7/30) = 1-(x/5) // - 1-(x/5)
x-x+x/5-(5/6)-(7/30)-1 = 0
x-x+x/5-5/6-7/30-1 = 0
1/5*x-31/15 = 0 // + 31/15
1/5*x = 31/15 // : 1/5
x = 31/15/1/5
x = 31/3
x = 31/3
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