Toán Lớp 7: $\frac{x-1}{x+2}$ = $\frac{5}{6}$
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Toán Lớp 7: $\frac{x-1}{x+2}$ = $\frac{5}{6}$
Comments ( 2 )
x-1/x+2=5/6
(x-1).6=(x+2).5
x.6-6=x.5+2.5
x.6-6=x.5+10
x.6-x.5=10+6
x=16
Vậy x=16
CHO MIK CTLHN NHA
(x-1)/(x+2)=5/6
<=>6(x-1)=5(x+2)
<=>6x-6=5x+10
<=>6x-5x=10+6
<=>1x=16
<=>x=16
Vậy x=16