Question

Aflați termenul necunoscut x:​

Answer 1

2×(1/2×x+3/5)-1/6=2/5×x

x+6/5-1/6=2/5x

x+31/30=2/5x

30x+31=12x

30x-12x=-31

18x=-31

x=-31/18

3×(1/3×x-2/5)-3/5=3/4×x

x-6/5-3/5=3/4x

x-9/5=3/4x

20x-36=15x

20x-15x=36

5x=36

x=36/5