Question

Simplify
b) -3x + (-5y) + x - (-4y)

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Answer 1

Step-by-step explanation:

-3x +x -5y +4y

-2x -y

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Answer 2

- 3x + (- 5y) + x - (- 4y) = - 2x - y

Explanation:

- 3x + (- 5y) + x - (- 4y)

= - 3x - 5y + x + 4y

= - 3x + x - 5y + 4y

= - 2x - y

To remember:

Remember the following points clearly. It will help you understand the method.

(+) × (+) = (+)

(+) × (-) = (-)

(-) × (+) = (-)

(-) × (-) = (+)