90 - x+1/2 (10+x)-x=4-x

Question

90 - x+1/2 (10+x)-x=4-x

Answer 1

90-x+5+1/2x-x=4-x; -x+1/2x-x+x=4-90-5;  -1/2x= -91; x= (-91):(-1/2)=182. Ответ: x=182.