Question

90:(6+x)=10


si asta:

42:(12-x)=6

Answer 1

90:(6+x)=10

90:la cat=10
90:9=10
Atunci inseamna ca 6+X=9
X=9-6
X=3
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42:(12-x)=6

42:7=6
Inseamna ca 12-x=7
X=12-7
X=5

42:(12-5)=6

Answer 2

6+×=90:10
=9
×=9-6
×=3



12-×=42:6=7 =12-7 =5 Gata