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x=1/2
b) -3x= 7 - x
-3x+x=7
-2x=7
x=-7/2
x=-3 i 1/2
c) 2x = 1/5
x=1/5 × 1/2
x=1/10
d)1,2x = 4,8
x=4,8÷1,2
x=4
e) 1/3x = 3
x=3÷1/3
x=3×3
x=9
f) - 3/5x = -5
x=-5×(-5/3)
x=25/3
x=8 i 1/3
g) 3/4x = - 4/9
x=-4/9×4/3
x=-16/27
h) 0,1x = - 7
x=-7 × 10
x=-70
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