3 years ago

Evaluate 9 – b when b = 8 what’s the answer

Mathematics

1 answer:

skad [1K]3 years ago

7 0

Answer:

Step-by-step explanation:

9-b is the same as 9-8 because b=8. 9-8=1.

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3 (3w − 4) = −20<br> Solve for w, please

Alborosie

Answer:

$\boxed {x = -\frac{8}{9}}$

Step-by-step explanation:

Solve for the value of $w$ :

$3(3w - 4) = -20$

-Use <u>Distributive Property</u>:

$3(3w - 4) = -20$

$9w - 12= -20$

-Add both sides by $12$ :

$9w - 12 + 12 = -20 + 12$

$9w = -8$

-Divide both sides by $9$ :

$\frac{9w}{9} = \frac{-8}{9}$

$\boxed {x = -\frac{8}{9}}$

Therefore, the value of $w$ is $-\frac{8}{9}$ .

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Step-by-step explanation:

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