a,x-25=-43 b,35-5(x+13)=-15 c,5x+6=-19 d,51-(-12+3x)=27 e,3x+4=-23
x=(-43)+25 5(x+13)=35-(-15) 5x=-19-6 -12+3x=51-27 3x=(-23)-4
x=-18 5(x+13)=35+15 5x=(-19)+(-6) -12+3x=24 3x=(-23)+(-4)
5(x+13)=50 5x=-25 3x=24-(-12) 3x=-27
x+13=50:5 x=(-25):5=-5 3x=24+12 x=-27:3=-9
x+13=10 3x=36
x=13-10 x=36:3=12
x=3
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a.x - 25 = -43
x = -43 + 25
x = -18
b.35 - 5(x + 13) = -15
5(x + 13) = 35 - (-15)
5(x + 13) = 50
x + 13 = 50 : 5
x + 13 = 10
x = 10 - 13
x = -3
c. 5x + 6 = -19
5x = -19 - 6
5x = -25
x = -25 : 5
x = -5
d.51 - (-12 + 3x) = 27
-12 + 3x = 51 - 27
-12 + 3x = 24
3x = 24 - (-12)
3x = 36
x = 36 :3
x = 12
e. 3x +4 = -23
3x = -23 - 4
3x = -27
x = -27 : 3
x = -9
a, x - 25 = -43
=> x = -43 + 25
=> x = -18
b, 35 - 5(x + 13)= -15
=> 5(x + 13) = 35 - (-15)
=> 5(x + 13) = 50
=> x + 13 = 50 : 5
=> x + 13 = 10
=> x = 10 - 13
=> x = -3
c, 5x + 6 = -19
=> 5x = -19 - 6
=> 5x = -25
=> x = -25 : 5
=> x = -5
d, 51 - (-12 +3x) = 27
=> -12 + 3x = 51 - 27
=> -12 + 3x = 24
=> 3x = 24 + 12
=> 3x = 36
=> x = 36 : 3
=> x = 12
e, 3x + 4 = -23
=> 3x = -23 - 4
=> 3x = -27
=> x = -27 : 3
=> x = -9