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Ksenya-84 [330]
3 years ago
8

X-(2x+3) how to solve and why you change the sign for the +3?

Mathematics
2 answers:
alekssr [168]3 years ago
6 0

Answer:

-x - 3

Step-by-step explanation:

x-(2x + 3)

=> x-1(2x + 3)

=> x - 2x - 3

=> -x - 3

Therefore, this is the solution. Hoped this helped.

GeniusUser

Lina20 [59]3 years ago
4 0

Answer:

Step-by-step explanation:

x-(2x+3)

Notice that we can't further simplify the things in the bracket so we should multiply by -1

Technically this is like:

x - 1(2x+3)

-1 times 2x = -2x   , -1 times 3 is -3

= x - 2x - 3

= -x - 3

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