(4118-Х)÷68=68. 49×Х-17301=12050. 40000-54×Х=7492
4118-X÷68=68 X÷68=4118-68 X÷68=4050 X=4050÷68 X= 49×X-17301=12050 49×X=12050+17301 49×X=29351 X=29351÷49 X=599 49×599-17301=12050