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OLEGan [10]
3 years ago
7

Subtract 7x- (9+5x).

Mathematics
2 answers:
AnnyKZ [126]3 years ago
7 0

Answer:

2x - 9

Step-by-step explanation:

7x - (9 + 5x) < distribute the - into the parentheses to get rid of them

7x - 9 - 5x < combine like terms

7x - 5x = 2x

-9 stays as it is as there are no other terms to combine it with

the answer is 2x - 9

stiv31 [10]3 years ago
4 0

7x-(9+5x)

pretend that there is 1 in front of the bracket.

7x-1(9+5x)

7x-9-5x

= 2x-9

Answer: 2x-9

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