Question 911642
0.1*5-0.1x+1x=0.5(5)
0.5+0.9x=2.5
0.9x=2.5-0.5
0.9x=2
x=2.22222222
check
0.1*2.77777778+1*2.22222222=0.5(5)
0.27777778+2.22222222=2.5
2.5=2.5
ok
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