Реши уравнение 6*x+8=14+30 5*(x+4)-43=17 20+4*x=52
6Х + 8 = 14 + 30 6Х = 44 - 8 6Х = 36 Х = 6 ------------- 5*( X + 4) - 43 = 17 5X + 20 - 43 = 17 5X = 17 + 23 5X = 40 X = 8 -------------- 20 + 4X = 52 4X = 32 X = 8
1)6*x+8=14+30 6*х+8=44 6*х=44-8 6*х=36 х=36:6 х=6 2)5*(x+4)-43=17 5*(х+4)=17+43 5*(х+4)=60 х+4=60:5 х+4=12 х=12-4 х=8 20+4*x=52 4*х=52-20 4*х=32 х=32:4 х=8