Simplify the following expressi a) 3x + 2 - 7y + x + 2y –
b) 2a + b + a + 3b
c) 4m + 7n + 5m - 5n
d) 2x2y + 5xy2 + 3x2y – 2
e) x2 + x + 2x2
Solution

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