algebra
100
500×a=2500 what is the substitute
a=?
200
3.6-w=? what is the substitute
W=?
300
9.3×g=59.52 what is the substitute
g=6.4
400
9.1-s=-0.4 what is the substitute
s=99.5
500
5.9×r=39.53 what is the substitute
r=6.7
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