Please this is your answer.

Mathematics

2 answers:

navik [9.2K]2 years ago

6 0

Number 10 is correct. Number 11 is incorrect it’s 21 not -21.

11. 6 - 3 )3-(2-3)-10)-3
6 - 3(3- (-1) -10) -3
6 - 3 (3 + 1 -10) -3
6 - 3 x (-6) - 3
6 + 18 - 3
= 21

Effectus [21]2 years ago

4 0

Answer:

10. it is correct it is 24

11. 21

Step-by-step explanation:

I could not see the answer but it should look like this:

11.6-3(3-[2-3]-10)-3

6-3(3-[-1]-10)-3

6-3(3-(-1)-10)-3

6-3(4-10)-3

6-3(-6)-3

6-(-18)-3

(6-(-18))-3

24-3

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Ksju [112]

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3 0

3 years ago

70 + x + 55 + 30 = 180

sergiy2304 [10]

Answer:

x=25

Step-by-step explanation:

First, we add all like terms. Then, we solve for x.

$70+x + 55 + 30 = 180\\x+70 + 55 + 30 = 180\\x+155=180\\x=25$