3 years ago

(m-n)*2 -18(m-n) +77

Mathematics

1 answer:

nikdorinn [45]3 years ago

6 0

Answer:

-16m + 16n + 77

Step-by-step explanation:

2(m - n) - 18(m - n) + 77

We can let x = (m - n) to make our job easier.

2x - 18x + 77

Now, we can conclude that this expression is equal to -16x + 77.

We can substitute x = (m - n) back into the expression:

-16(m - n) + 77

Distribute:

-16m + 16n + 77

And you're done!

Please mark as brainliest! :

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(m-n)*2 -18(m-n) +77​

(m-n)*2 -18(m-n) +77