Toán Lớp 8: 5x-2=0
12-6x=0
-2x+14=0
Giải phương trình
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Toán Lớp 8: 5x-2=0
12-6x=0
-2x+14=0
Giải phương trình
Comments ( 2 )
Giải đáp:
$5x-2=0$
$⇔ 5x=2$
$⇔ x= \dfrac{2}{5}$
$Vậy$ $x=\dfrac{2}{5}$
$12-6x=0$
$⇔ 6x=12$
$⇔ x=2$
$vậy$ $x=2$
$-2x+14=0$
$⇔ -2x=-14$
$⇔ x=7$
$vậy$ $x=7$
5x-2=0
=> 5x=2
=> x=$\frac{2}{5}$
12-6x=0
=> 6x=12
=> x=2
-2x+14=0
=> -2x=-14
=> x=7