Question

Use the information to answer the following question.

Answer 1

Answer:

Angle A

Step-by-step explanation:

subtract 3x and 5x

you get 2x

-5-3=

you get -8

divide -8/2x

x=-4

Answer 2

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Sum of the measures is equal to 180° .

So :

$Angle \: \: A + Angle \: \: B + Angle \: \: C = 180$

Thus :

$(5x - 5) + (3 x + 3) + (5x) = 180$

Collect like terms

$13x - 2 = 180$

Add sides 2

$13x - 2 + 2 = 180 + 2$

$13x = 182$

Divide sides by 13

$\frac{13x}{13} = \frac{182}{13}$

$x = 14$

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$Angle \: \: B = 3x + 3$

$Angle \: \: B = 3(14) + 3$

$Angle \: \: B = 42 + 3$

$Angle \: \: B = 45°$

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