5. Simplify the following expressions.
(a) 3y + 7 -
(b) 6a + 5 + a-4
(c) 15 + 7q - 10 -9 (d) 5x + 2 - x + 3
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Answer:
a) 3y+7
b) 7a +1
c) 7q-4
d)4x+5
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