Question

Rezolvati in Q ecuatiile:
a)7x-7=2x+21
b)y supra 2-3=y supra 3+1 supra 2
c)0,7z+4=1,2z-3,5
d)2x-4,53=0,9x-3,32
e)(1-2x):3=(x+2):2
f)2t-4 supra 2=0,1×(10t-20)

Answer 1

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