Question

三分之二X加二分之一X等于四十二？

Answer 1

2/3X+1/2X=42
4/6X+3/6X=42
7/6X=42
X=42÷7/6
X=42×6/7
X=36,7,x=36,3,(2/3+1/2)x=42
(7/6)x=42
x=42÷7/6
x=36,2,三分之二X加二分之一X等于六分之七x，所以六分之七x=42，所以x=36,0,