3+3+3
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Addition is the same no matter what order it is in. If x is 2, then 2+3=5 and 3+2=5 are the same. They are all in the same fact family. Multiplication is the same no matter what order it is in as well. x times 3 is the same as 3 times x If x is 2, then 2*3=6 and 3*2=6 Fact families!
x-3=0 so add 3 to both sides to isolate the variable. x-3=0 +3 | +3 ________ x-3+3=o+3 _________ x=3
The property you described, where x + y = y + x, is called commutativity. In the case of addition, it is called the commutative property of addition.
1 x 33, 3 x 11
0.1 x 2 x 3= 0.6