Answer:
6
Step-by-step explanation:
"third of 12" is 1/3 x 12
12 x 1/3 = (12 x 1)/3 = 12/3 = 4
Let the number = "x"
4 + x = 10
Isolate the variable (x). Note the equal sign, what you do to one side, you do to the other. Subtract 4 from both sides.
x + 4 (-4) = 10 (-4)
x = 10 - 4
x = 6
6 is your answer
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