Question

Find the following algebraic expressions: 3a + 7b - 4c and 7a + 4b +9c

Answer 1

Answer:

3a+7b-4c+7a+4b+9c

3a+7a+7b+4b-4c+9c

10a+11b+5c

Answer 2

Answer:

HERE IS UR ANSWER

Step-by-step explanation:

(3a +7b-4c) + (7a+4b+9c)

3a+7a+7b+4b-4c+9c

10a +11b +5c

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