X+27=57, x-29=11, 37-x=7 как решить правельно
X + 27 = 57 x = 57 - 27 x = 30 x - 29 = 11 x = 11 + 29 x = 40 37 - x = 7 - x = 7-37 - x = - 30 x = 30
Х+27=57 х=57-27 х=30 х-29=11 х=11+29 х=40 37-х=7 х=37-7 х=30