Решите уравнение : 4*(5х + 4) - (11х -23) = 3
20 x + 16 - 11 x + 23 - 3 = 0
9 x+36=0
9x=36
x=4
4*(5х+4)-(11х-23)=3
20х+16-11х+23=3
9х+39=3
9х=3-39
9х=36| : 9
х=4