=>6-3x+5x-30=-98
=>2x=-74
=>x=-37
Ai tích mk mk sẽ tích lại
<=> 6 - 3x + 5x- 30= - 98
<=> 2x+24= - 98
<=> 2x +24 +98 = 0
<=> 2x + 122 = 0
<=> 2x = -122
<=> x = - 61
=>6-3x+5x-30=-98
=>2x=-74
=>x=-37
Ai tích mk mk sẽ tích lại
<=> 6 - 3x + 5x- 30= - 98
<=> 2x+24= - 98
<=> 2x +24 +98 = 0
<=> 2x + 122 = 0
<=> 2x = -122
<=> x = - 61
1) 7. (3x+5)+2.(7x+14)=98. 2) 4. (x -5)+3.(x+7)=22
3) 5.(4-x) +7.(x-2)=24. 4) 3.(x -5)+6.(x+3)=12
5) 4-x+5.(x+2)=38. 6) 5.( x-3)+2.(x+8)=22
7) 5.(x-7)+10.(4+x)=20. 8) 4.(x+10)+8.(x-3)=24
9) 4.(5-x)+5.(x-2)=15. 10) 4.(x-1)+3.(x-2)=-1
3(2-x)+5(x-6)=-98
1. x - 8 +32= 68
2. x +8+32=68
3. 98-x +34=43
4. 98+x-34=43
5. x :5:4=800
6. 18+x=384:8
7. (84,6-2 x x):3,02= 5,1
8. x x5= 120:6
9. (15x 24-x) :0,25= 100:0,25
a/ 3(2-x ) + 5(x-6) = -98
3.( 2-x )+ 5.( x-6 )= -98
100 - ( 1 - x ) + 99 ( x - 1 ) = 1
3 ( 2 - x ) + 5 ( x - 6 ) = -98
tìm số nguên x biết :
3(2-x)+5(x-6)=-98
Tìm x thuộc Z biết:
a, 3.(2-x) + 5 . (x-6) = -98