Sabinarailean12ask
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a)4*(7x+1)+12=44
b)8x+5-4x=41
va rog dau coroana​

Răspuns :

Otoma8482ask

a)4×(7x+1)+12=44

4×(7x+1)=44-12

4×(7x+1)=32

7x+1=32÷4

7x+1=8

7x=8-1

7x=7

x=7÷7

x=1

b)8x+5-4x=41

8x-4x=41-5

4x=36

x=36÷4

x=9

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