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Rezolvati in multimea Q ecuatia:g)3,6:x=1,2 h)2,3x+1,2x=7

Răspuns :

DeeeaFlorina
a)3,6:x=1,2
x=3,6:1,2
x=3
b) 2,3x+1,2x=7
3,5x=7
x=7:3,5
x=2
g) 3,6:x=1,2
x=3,6:1,2
x=3
P:3,6:3=1,2
h) 2,3x+1,2x=7
3,5x=7=>x=7:3,5
x=2
P:(2,3*2)+(1,2×2)=7
4,6+2,4=7
7=7

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