Mike gave Danny 4 more marbles than he already had. He now has 100 marbles. How many marbles did Mike give to Danny?

I don't no the answer

4 answers

100 - 4 = ?
So is it 96? I don't want to get it wrong for my final score. Hi said that its wrong.
Think about it. If Mike had 96 marbles, then how many would he have after Mike gave him 4 more?
x+x+4=100
2x+4=100
2x=96
x=48