Question

Simpifly this expression:

13x+2y-10x-7y=

Answer 1

Answer:

13x+2y-10x-7y

= 13x-10x+2y-7y

= 3x-5y

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Answer 2

In algebraic manipulation,

• we group the like terms together
• we arrange the terms in alphabetical order

Question:

13x + 2y - 10x - 7y

First we arrange them such that the like terms are together:

= 13x - 10x + 2y - 7y

Then we group the like terms together:

13 x - 10x will give us 3x

2y - 7y will give us - 5y

= 3x - 5y

Answer: 3x - 5y