1.

Add the following expressions:a.2xy + 5xyz + 3 b.- 5xy + 6xyz + 9 c.- 10xyz + 2xy – 4z + 10Can anyone answer these with step by step explanation...Class 7 algebra

Answer»

ANSWER:

(2xy+5xyz+3)+(-5xy+6xyz+9)+(-10xyz+2xy-4z+10)

2xy+5xyz+3-5xy+6xyz+9-10xyz+2xy-4z+10

2xy-5xy+2xy+5xyz+6xyz-10xyz-4z+3+9+10

-5xy+xyz-4z+22



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