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dedylja [7]
3 years ago
9

Combine like terms: x +x - x + y + y + y - z + z - z

Mathematics
1 answer:
Tomtit [17]3 years ago
5 0
X  + x - x is   x
y + y + y is   3y
-z + z - z is   -z
x + 3y 
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