{-3x + 2. [ 45 - x - 9x -21 - 2x ] + 4x } = 55
suy ra { - 3x +2.[24 - 12x] + 4x } = 55
suy ra x+ 48 - 24x = 55
suy ra - 23x=7
suy ra x= - 7/23
{-3x + 2. [ 45 - x - 9x -21 - 2x ] + 4x } = 55
suy ra { - 3x +2.[24 - 12x] + 4x } = 55
suy ra x+ 48 - 24x = 55
suy ra - 23x=7
suy ra x= - 7/23
Tìm số nguyên x, biết:
-{-3x+2[45-x-3(3x+7)-2x]+4x}=55
Tìm số nguyên x:
a,-2x+15<3x-7<19-x
b,-2x +3.{12-2[3x-(20+2x)-4x]+1}=45
c,{-3x+2.[45-x-3(3x 7)-2x] 4x}=55
Ai làm nhanh và đúng, mik tick
Bài 1: Tìm số nguyên x:
{-3x+2.[45-x-3(3x+7)-2x]+4x}=55-103
-57:[-2.(2x+1)^2-(-9)^0=-106
Tìm số nguyên x biết:
a,{-3x+2.[45-x-3.(3x+7)-2x]+4x}=55
b,103-57:[-2.(2x-1)2-(-9)0)=-106
Tìm số nguyên x:
a) -2x -(x-17)=34 -(-x+25)
b) 17x -(16x-37)=2x+43
c) -2x - 3.(x-17)=34-2(-x+25)
d) 17x + 3.(-16-37)=2x + 43 -4x
e) {-3x + 2.[45 - x - 3(3x + 7)-2x] + 4x}=55
Giúp mik vs:33
3x+2{45-x-3[3x+7]-2x}+4x=55
E) {- 3x +2. [45 - x-3 (3x + 7) - 2x] + 4x} =55
B) 17X - ( -16X - 37 ) + 2x + 43
C) -2x -3.( x-17) = 34 -2 (-2x +25)
D) 17x+ 3. ( -16x -37) = 2x +43 -4x
E) {- 3x +2. [45 - x-3 (3x + 7) - 2x] + 4x} =55
F) -103 - 57 : [ -2 ( 2x -1 )2 - ( -9 )0 ] - 106
G) -2x + 3. { 12-2 [ 3x - ( 20 + 2x ) - 4x ] + 1} = 45
{-3+2.[45-x-3(3x+7)-2x]+4x}=55-103-57:[-2(2X-1)^2-(-9)^0]=-106