4*x + 9 = -26 - x
4*x + x = -26 -9
4*x + x*1= -35
x*(4 + 1)= -35
x*5 = -35
x = -35 /5
x = -7
Vậy x= -7
4*x + 9 = -26 - x
4*x + x = -26 -9
4*x + x*1= -35
x*(4 + 1)= -35
x*5 = -35
x = -35 /5
x = -7
Vậy x= -7
x26 - 3( x + 2 ) = -4x + 9
HELP ME !!!!
4x + 9 = - 26 - x
2x + 3x =75
- x - 2x = - 50 + 65
Bài 6 . Tìm x biết: 1) 58 + 7x = 100 AI LM ĐC MÌNH CHO 20 XU
2) 101 +(36 – 4x) =105
3) 3x – 7 = 28
4) ( x – 12):12=12
5) x – 56 : 4= 16
6) (3.x-2 4 ).73=2.74
7) 71 – (33 + x) = 26
8) = 7 10) 4(x + 41) = 400
9) 45 – (x + 9):2 = 6
11) 2. (x + 7) – 25 = 13
13) 2(x- 51) = 2.23 + 20
15) 450 : (x – 19) = 50
17) 10 - (x – 3): 2 = 72 – 1 10
19) 2x + 2 – 2 x = 48
8) 140 : (x – 12) 5(x – 9) = 350
14) 2x – 49 = 5.32
16) 200 – (2x + 6) = 43
18) 135 – 5.(x + 4) = 35
20) (3x – 5)3 – 1 = 26
tính: 0,01 x 3+1/4x (-20)x 0,5 x 40/26
Tìm x biết |x+26| + |x+8| + |x+82| = 4x
tìm số nguyên x,biết 4x cộng 26=86
Tìm x, biết :
a, 2x - (-3x - 17) = 53 - 26 - x
b,5x - (-24) =33-78+4x
c,(7x - 19) - (5x -12) = 3x - (9-2x) -1
d,(2x +5)2 = -125
e,(4x - 3)2 = 289
f,-2*(12-5x)3 = -686
g,2mũ x+5 -3*2mũ x = 928
h,3mũ x +3 mũ x+1 + 3mũ x+2 = 13
Tìm x biết
a)3.5x+1- 100 = - 25
b)4x-26+2x=28
13x(7-x)=26 (4x-18):3=2 2xx+98x2022=98x2023 (x+1)+(X+3)+(X+5)+.....+(X+101)