Mathematics: If the sum of twice a number and - 7 is increased by 8 the result is 16 greater than the opposite of the number. what is the number?

If the sum of twice a number and - 7 is increased

Ответ:

katwright1124

05.01.2022

2x + -7 +8 = -x+16
2x + 1 = -x +16
2x +1 -1= -x +16 -1
2x+x = -x +x + 15
3x = 15
3x/3 = 15/3
x= 5

2(5) + -7 +8 = -5+16
10 +-7+8 = 11
11=11

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Ответ:

mxlx27

06.09.2022

Mathematics

Step-by-step explanation:

All real numbers because x can assume every possible value

HELP ME PLZ Identify the domain of the graph of y = −x2 − 6x − 13. (1 point) All real numbers x ≤ −4

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If the sum of twice a number and - 7 is increased by 8 the result is 16 greater than the opposite of the number. what is the number?

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