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y= -52 +18
y= -34
b) 27-z= 62
-z= 62-27
-z= 35 / :(-)
z= -35
c) 5 2/3 = b+2 1/2 / * 6
6* 5 2/3 = 6b + 6 *2 1/2
10*2= 6b+6
20= 6b+6
-6b= 6-20
-6b= -14 / :(-6)
b= 14/6 = 2 2/6
d) -5y= 2,6 / :(-5)
y= -0.52
y=18-52
y=-34
b) 27 - z = 62
-z=62-27
-z=35/:(-1)
z=-35
c) 5 2/3 = b + 2 1/2
17/3-5/2=b
34/6-15/6=b
19/6=b
d) -5 y = 2,6/:(-5)
y=-0,52