Question

Add the expressions: (i) pq – 1 and 3pq + 2

(ii) 8x + 3 and 1 - 7x​

Answer 1

Answer:

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Step-by-step explanation:

$(i)(pq - 1) + (3pq + 2) \\ pq - 1 + 3pq + 2 \\ pq + 3pq + 2 - 1 \\ 4pq + 1$

$(ii)(8x + 3) + (1 - 7x) \\ 8x + 3 + 1 - 7x \\ 8x - 7x + 3 + 1 \\ x + 4$