Question

ajuda ai
??
?.
.
..
.........

Answer 1

X + X = 100 --- 100 / 2 = 50  --- X=50

X + X + 100 = 500 --- 500 - 100 = 400 --- 400 / 2 = 200 --- X=200

X*3 = X + 250 -- 125*3 = 375 -- 125 + 250 --- X=125