Răspuns :
11(Y-23)=121
11Y -253 = 121
11Y = 121 + 253
11Y = 374
Y = 374 / 11
Y = 34
11Y -253 = 121
11Y = 121 + 253
11Y = 374
Y = 374 / 11
Y = 34
11(y-23)=121
11y-253=121
11y=121+253
11y=374
y=374:11
y=34
11y-253=121
11y=121+253
11y=374
y=374:11
y=34