2x+0,75x+2=5,75
2x+[tex]\dfrac{75}{100}[/tex]x+2=[tex]\dfrac{575}{100}[/tex]
2x+[tex]\dfrac{3}{4}[/tex]x+2=[tex]\dfrac{23}{4}[/tex]
[tex]\dfrac{8x+3x+8}{4}[/tex]=[tex]\dfrac{23}{4}[/tex]
[tex]\dfrac{11x+8}{4}[/tex]=[tex]\dfrac{23}{4}[/tex]
11x+8=[tex]\dfrac{4\cdot 23}{4}[/tex]
11x+8=23
11x=23-8
11x=12=>x=[tex]\dfrac{12}{11}[/tex]
