[tex] 5(2x - 3) + 3(5x - 6 ) + 13 = 8(3x + 7) - 63[/tex]


Răspuns :

[tex]5(2x - 3) + 3(5x - 6) + 13 = 8(3x + 7) - 63[/tex]

[tex]10x - 15 + 15x - 18 + 13 = 24x + 56 - 63[/tex]

[tex]10x + 15x - 24x = 56 - 63 + 15 + 18 - 13 [/tex]

[tex]x = 11[/tex]