Question 139002
LET 2X BE THE FIRST SIDE
X FOR THE SECOND SIDE
X+42 FOR THE THIRD SIDE
2X+X+X+42=218
4X=218-42
4X=176
X=176/4
X=44 ANSWER FOR THE SECOND SIDE
2*44=88 FOR THE FIRST SIDE
44+42=86 FOR THE THIRD SIDE
PROOF
44+88+86=218
218=218