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rezolvati ecuatiile:
a)937-x=124\?
b)3X-1=14\?
c)2x(5X-3)=94\?

P.S.
X=ics si x=inmultit


Răspuns :

937-x=124
x=937-124
x=813

3x-1=14
3x=14+1
3x=15
x=15:3
x=5

2x(5x-3)=94
5x-3=94:2
5x-3=47
5x=47+3
5x=50
x=50:5
x=10