Toán Lớp 6: 2) x + 1 = 4 3) 9 – 2 : x = 7 4) 5(x – 3) = 45 5) 10 + 2x = 45 : 43 6) 9x – 33 = 32017 : 32016 7)

Question

Toán Lớp 6: 2) x + 1 = 4 3) 9 – 2 : x = 7 4) 5(x – 3) = 45 5) 10 + 2x = 45 : 43 6) 9x – 33 = 32017 : 32016 7)

Hằng Anh Tháng Tám 7, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 2) x + 1 = 4
3) 9 – 2 : x = 7
4) 5(x – 3) = 45
5) 10 + 2x = 45 : 43
6) 9x – 33 = 32017 : 32016
7) 231 – (x – 6) = 1339 : 13
8) 2x – 138 = 23. 32
9) 7x – 33 = 27 : 24
10) ( 5x – 24 )
.
.

73 = 75
11) 5x-2 = 1
12) 9x-1 = 9
13) 4x-3 = 64
14) 2. 3x – 5 = 72
15) 3x+1 + 1 = 244
16) (x2 + 15) . 52 = 8 .
GIÚP MK VỚI AKKK

chauhoangmy98 · Answer

2) x+1=4       x= 4-1       x=3   3) 9 - 2 : x=7       2 : x=7 +9       2 : x= 16       x= 16 : 2       x= 8   4)  5(x &ndash; 3) = 45         x - 3 = 45 : 5         x - 3 = 9         x = 9 - 3         x = 6     5) 10 + 2x = 45 : 43          10 + 2x = 1,04         2x = 1,04 -10         2x = -8,96         x = -8,96 : 2         x = -4,48     6) 9x &ndash; 33 = 32017 : 32016         9x &ndash; 33 = 1,03         9x = 34,03         x = 3,781     7) 231 &ndash; (x &ndash; 6) = 1339 : 13         231 &ndash; (x &ndash; 6) = 103         - (x - 6) = 334         x - 6 = 334         x = 55,6     8) 2x &ndash; 138 = 23. 32          2x &ndash; 138 = 736         2x = 874         x = 437      9) 7x - 33 = 27 : 24          7x - 33 = 1,125         7x = 34,125         x = 4,875     10) ( 5x - 24 ) : 73 = 75         ( 5x - 24 ) = 5475         5x = 5475 + 24         5x = 5499         x = 1099,8     11) 5x-2 = 1            5x = 3           x = 0,6     12) 9x-1 = 9            9x = 10           x = 1,1     13) 4x-3 = 64            4x = 67           x = 16,75     14) 2. 3x &ndash; 5 = 72            3x &ndash; 5 = 36           3x = 41           x = 13,6      15) 3x+1 + 1 = 244            3x = 242           x = 80,6      16) (x2 + 15) . 52 = 8           x2 + 15 = 0,15           x2 = -14,85           x = -7,425

landinhngoc97 · Answer

2) x+1=4                 x= 4-1=3         3) 9 &ndash; 2 : x = 7          2:x=9-7=2         x=2x2=4      4) 5(x &ndash; 3) = 45         x-3= 45:5=9       x=9+3=12    5) 10 + 2x = 45 : 43=1          10+2x=1       2x=1-10=-9       x=-9:2=-4.5    7) 231 &ndash; (x &ndash; 6) = 1339 : 13=103         (x &ndash; 6)= 231 &ndash;103 =128         x=128+6=136     8) 2x &ndash; 138 = 23. 32=736        2x=736+138=  874        x=847:2=437     (mấy c&acirc;u kh&aacute;c l&agrave;m tương tự l&agrave; được, chứ lm hết l&acirc;u lắm, mik ko c&oacute; thời gian, mik xin lỗi)