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mr_godi [17]
3 years ago
8

Afla valoarea lu a:7×a=8×10-31

Mathematics
2 answers:
Aneli [31]3 years ago
4 0
7 x a = 8 x 10 - 31
7 x a = 80 - 31
7 x a = 49
a = 49/7
a = 7
dusya [7]3 years ago
4 0
7*a = 8*10 - 31.      We perform the multiplication first.

7a = 80 - 31

7a = 49

a = 49/7

a = 7

<span>lu a = 7</span>
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