回答: #色(紫)( "x切片" = -17 / 4、色(紫)( "y切片" = 17/3#) 説明: #4x - 3y = -17# x = 0のとき #-3y = -17 "または" y = 17/3# #:色(紫)( "y切片" = 17/3# 同様に、y = 0のとき、 #4x = -17 "または" x = -17 / 4# #:色(紫)( "x切片" = -17 / 4#