1/2
2/3 is the same as 4/6
Subtract 1/6 gives you 3/6
And 3/6 is the same as 1/2
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2/3 minus 1/6 is 1/2
-11 Pattern: Subtract 1, subtract 2, subtract 3 and so on.
1
-1
It has to equal 3 because if you plug it in to the equation you get: (1+3)/2 = 2 4/2 = 2 2=2 check. To SOLVE for the equation you have to set the whole thing equal to X. (1+X)/2 = 2 1. Multiply both sides by 2. (2)(1+X)/2 = 2 (2) 2. subtract 1 from both sides. 1+X = 4 X-1 = 4 -1 3. This will give you your answer of 3. X = 3