Question

hey everyone! today i take a math test it will be 18 marks..So i hope you will be able to do everyone.. So the question is.

Add
1. 2x,-3x and 7x. 3
2. 0.3a,.2a,-.4a. 3

Subtract
1. - 3xy from - 7xy. 3
2. 3xy from 7xy. 3

Subtract the following by coloumn and horizontal method:

1. 2x-3y, 4y-z and 2z+x. 3
2. 3abc+ bc- Ca, 4ab - 5bc and 3ca - 2ab. 3

So it's your question each question will be 3 marks ok​

Answer 1

Answer:

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Step-by-step explanation:

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