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dusya [7]
3 years ago
11

Solve. 3 b=-a a + b = 21

Mathematics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:b=-10.5, a=31.5

Step-by-step explanation: 3b=-a , -3b=a

a+b =21

-3b+b = 21

-2b=21

b=-10.5

a=-3b

a=-3*-10.5=31.5

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The statement best describes the solution set to the inequality as the solution set includes all values of x greater than -8 and less than 9.

Inequality: An inequality is an expression that shows an unequal comparison of two or more numbers and variables.

Given that:

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0 < 8 + x < 17

Adding on both sides by -8.

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Hence, the correct statement that best describes the solution is option C.

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