-12(x-15)+7(3-x)=15
-12.15-(-12.x)+7.3-7.x=15
(-12.15+7.3)-(-12x+7x)=15
-172.7-(-5x)=15
-172.7+5x=15
5x=8.48
x=1.696
-12(x-15)+7(3-x)=15
-12.15-(-12.x)+7.3-7.x=15
(-12.15+7.3)-(-12x+7x)=15
-172.7-(-5x)=15
-172.7+5x=15
5x=8.48
x=1.696
tìm các số nguyên x , biết
a, ( x+7) . (x-15)
b, 8x + (-7) . x = -33
c, -12 . ( x - 5) + 7 . (3 - x) = 5
d,(-2) . (x +1) - (x - 5) = -2x
e, (-2) . x + 5 = (-3) . (-3) + 8
g, -12x = 15.(-4) - 12
x-(-7)=-8+(-2)
x+(12-15)=/-3/-7
(12-x )-(-10)=-25
(-20)-(15-x )=-50
Tìm x :
-12 (x - 15) + 7 (3 - x) = 15
Tìm x :
-12 (x - 15) + 7 (3 - x) = 15
Tìm x :
-12 (x - 15) + 7 (3 - x) = 15
Tìm x :
-12 (x - 15) + 7 (3 - x) = 15
a) 42-x=5
b) 15.(x+4)=75
c) 27+3x=9^8.9^7
d) x+18=12
e) 2x-15=-19
f) 36 :(x^3-12)=-3
g)x+15=35
h) 2x-13=3^2
a, x-(-7)=-8+(-2) b, x+(12-15)=/-3/-7
c, (12-x )-(-10)=-25
d, (-20)-(15-x )=-50
1) 10 -3 ( x -1 ) = -5
2) 3x + 75 = -15
3) 4x - 15 = -75 - x
4) 12 - ( x - 7 ) = -8
5) x + 75 = 15
6) x - 18 = 3x + 4
7) 2x + 18 = 10
8) 26 - 3x = 5
9) x - 12 = -15
10) 24 - 2 ( x + 5 ) = 38
11) 25 - 5 ( 3 - x ) = 15
12) x + ( -17 ) = -14
13) -5x - 13 = 47
14) 2x + 36 = -18
15) 9 . ( x + 7 ) - 12 = 24
Ai giải dùm mình nhanh nhất, đúng mình tick cho nha