` (3/4 +x) xx 50/100 = 8/10`
`( 3/4 + x) xx 1/2 = 4/5`
` 3/4 + x = 4/5 : 1/2`
` 3/4 + x = 4/5 xx2`
` 3/4 + x = 8/5`
` x = 8/5 - 3/4`
` x = 17/20`
Tìm x, biết:
( 3/4 + x ) x 50/100 = 8/10
( 3/4 + x ) = 8/10 : 50/100
( 3/4 + x ) = 8/5
x = 8/5 - 3/4
x = 17/20.
=>x+3/4=4/5:1/2=4/5x2=8/5
=>x=8/5-3/4=32/20-15/20=17/20
`(3/4+x)xx50/100=8/10`
`(3/4+x)xx1/2=4/5`
`3/4+x=4/5:1/2=4/5xx2=8/5`
`x=8/5-3/4`
`x=32/20-15/20=17/20`
`(3/4+x)xx50/100=8/10`
`(3/4+x)xx1/2=4/5`
`3/4+x=4/5 : 1/2`
`3/4+x=4/5 .2`
`3/4+x=8/5`
`x=8/5 -3/4`
`x=32/20-15/20`
`x=17/20`
Vậy `x=17/20`
