For each pair of expressions, identify whether the expressions are equivalent. Write YES or NO, and justify your answer with math or words.
1
a)
and
1+1
x+y
x
b) x2 + x
and
73
c) 3x - 12
and
X-4
d) -2(x - 3)
and
- 2x - 3
e) 5x2
and
x² + 4x²
f) x(y + 2)
and
xy + 2x
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