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Alecsey [184]
3 years ago
6

What's 9s + 3=57?

Mathematics
2 answers:
Ksivusya [100]3 years ago
4 0
<span>9s + 3=57
9s=57-3
9s=54
s=54/9
s=6

2) </span><span>4d +6= 42
</span><span>4d=42-6
4d=36
d=36/4
d=9

3)   
</span><span>-3y +12 = -48
-3y=-48-12
-3y= -60
3y=60
y=60/3
y=20
</span>
joja [24]3 years ago
3 0
9s + 3 = 57          Subtract 3 from each side
9s = 54                Divide each side by 9
s = 6

4d + 6 = 42          Subtract 6 from each side
4d = 36                 Divide each side by 4
d = 9

-3y + 12 = -48      Subtract 12 from each side
-3y = -60               Divide each side by -3
y = 20 
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