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If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:

A. 5xy+9yz+3zx+5x–4y

B. 5xy+10yz+3zx+15x–4y

C. 5xy–9yz+3zx–5x–4y

D. 5xy+10yz+3zx+5x–6y

Respuesta :

marlboro7

Answer:

A. 5xy + 9yz + 3zx + 5x – 4y

Step-by-step explanation:

uhh credit for this answer goes to Blaise Pascal for inventing calculators .-.

Hewo.

Answer below.

----Steps----

Add the expressions.

5xy+3xz+9yz+5x−4y

Brainliest, if it helps.

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