Answer:
a. 0
b. 12
c. 8x + 18
d. 17y - 15
Explanation:
a. 3x + 2x - 5x = 0
b. 4(2 + 3) - 2(5 - 1) = 20 - 8 = 12
c. 6(2x + 3) - 4x = 12x + 18 - 4x = 8x + 18
d. 5(2y - 3) + 7y = 10y - 15 + 7y = 17y - 15
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