a)28-(x-37)=15 b)(x+13):5=12 c)12.(x-1)=108 29/07/2021 Bởi Kennedy a)28-(x-37)=15 b)(x+13):5=12 c)12.(x-1)=108
a) 28 – (x – 37) = 15 <=> 28 – x + 37 – 15 =0 <=> 50 – x =0 <=> x = 50 b) (x + 13) : 5 =12 <=> x + 13 = 60 <=> x = 47 c)12 . ( x – 1) = 108 <=> 12x – 12 -108 =0 <=> 12x – 120 = 0 <=> 12x =120 <=> x = 10 NHỚ VOTE 5 SAO VÀ CTLHN CHO MIK NHÉ. THANKS! Bình luận
a 28 – (x – 37) = 15 <=> 28 – x + 37 – 15 =0 <=> 50 – x =0 <=> x = 50 b (x + 13) : 5 =12 <=> x + 13 = 60 <=> x = 47 c 12 . ( x – 1) = 108 <=> 12x – 12 -108 =0 <=> 12x – 120 = 0 <=> 12x =120 <=> x = 10 Bình luận
a) 28 – (x – 37) = 15
<=> 28 – x + 37 – 15 =0
<=> 50 – x =0
<=> x = 50
b) (x + 13) : 5 =12
<=> x + 13 = 60
<=> x = 47
c)12 . ( x – 1) = 108
<=> 12x – 12 -108 =0
<=> 12x – 120 = 0
<=> 12x =120
<=> x = 10
NHỚ VOTE 5 SAO VÀ CTLHN CHO MIK NHÉ. THANKS!
a 28 – (x – 37) = 15
<=> 28 – x + 37 – 15 =0
<=> 50 – x =0
<=> x = 50
b (x + 13) : 5 =12
<=> x + 13 = 60
<=> x = 47
c 12 . ( x – 1) = 108
<=> 12x – 12 -108 =0
<=> 12x – 120 = 0
<=> 12x =120
<=> x = 10