math
posted by alex .
I need help I have to answer this question and I don't understand.
4+x=82

4 + x = 8  2
Let's get the numbers on one side of the equal sign and the unknown on the other side. To do that we need to subtract 4 from each side.
x + 4  4 = 8  2  4
x = 8  6
x = 2
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