X + x - x is x
y + y + y is 3y
-z + z - z is -z
x + 3y
Answer:
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No because you don't know how many places are in the number
ex:843 and 3257
there are 4 places in 3257 and only 3 places in 843
Answer:
x= -10
if u need explanation pls let me know
Will there's
5.5 x 2 = 11
hope that helped