3 years ago

Find the difference.

Mathematics

2 answers:

sukhopar [10]3 years ago

6 0

Answer:

-2x-4

Step-by-step explanation:

(-7x-7y-4)-(-5x-7y)=-7x-7y-4+5x+7y=-7x-4+5x=-2x-4

adoni [48]3 years ago

6 0

Answer:

-2x - 4

Step-by-step explanation:

(- 7x - 7y - 4) - (-5x - 7y) Remove both sets of brackets
-7x - 7y - 4 + 5x + 7y Notice the sign change in 6x and 7y Two minus signs multiplied together make a plus. Gather like terms.
-7x + 5x - 7y + 7y - 4 Simplify
-2x - 4 Note the ys cancel out.

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