Question

Ecuatii de gradul 1 cu o necunoscuta: Aflati solutiile ecuatiilor: a) $\frac{x+3}{2}$-$\frac{1}{2}$+$\frac{2x+7}{10}$=1

Answer 1

Trebuie,sa,aducem,la,numitor,comun,care,este,10
5(x+3)-5+2x+7=10
5x+15-5+2x+7=10
7x+17=10
7x=10-17
7x=-7
x=-1