1/(2x – 5) + 17 = 6
2/ 10 – 2 (4 – 3x) = -4
3/ -12+ 3 (-x + 7)= – 18
4/ 24 : ( 3x -2x) = 3
1/(2x – 5) + 17 = 6 2/ 10 – 2 (4 – 3x) = -4 3/ -12+ 3 (-x + 7)= – 18 4/ 24 : ( 3x -2x) = 3
By Samantha
By Samantha
1/(2x – 5) + 17 = 6
2/ 10 – 2 (4 – 3x) = -4
3/ -12+ 3 (-x + 7)= – 18
4/ 24 : ( 3x -2x) = 3
(2x – 5) + 17 = 6
2x-5=17-6
2x-5=11
2x=11+5
2x=16
x=16÷2
x=8
10 – 2 (4 – 3x) = -4
2 (4 – 3x) = 10-(-4)
2 (4 – 3x)=14
4-3x=14÷2
4-3x=7
3x=4-7
3x=-3
x=-3÷3
x=-1
-12+ 3 (-x + 7)= – 18
3(-x+7)=-18-(-12)
3(-x+7)=-6
-x+7=-6÷3
-x+7=-2
-x=-2-7
-x=-9
⇒x=9
24 ÷ ( 3x -2x) = 3
24÷x=3
x=24÷3
x=8
((( Cho mình câu trả lời hay nhất + cảm ơn + 5* đi, mình cần lên hạng! )))
(2x-5)+17=6
2x – 5 =17-6
2x – 5 =11
2x =11:5
2x =16
x =16:2
x =8
10-2(4-3x)=-4
2(4-3x)=10-(-4)
2(4-3x)=14
4-3x =14:2
4-3 = 7
3x =4-7
3x = -3
x = -3:3
x = -1
-12+3(-x+7)=-18
3(-x+7)=-18-(-12)
3(-x+7)=-6
-x+7 = -6:3
-x+7 = -2
-x = -2-7
-x = -9
x =9
24:(3x-2x)=3
24:x=3
x=24:3
x=8