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tia_tia [17]
3 years ago
11

Angles A and B are supplementary. Angle A measures (2x + 20).Angle B measures 130 degrees. Solve for X​

Mathematics
2 answers:
Blizzard [7]3 years ago
6 0

Answer:

x = 15

Step-by-step explanation:

(2x + 20) + 130 = 180

2x + 150 = 180

     - 150   - 150

2x = 30

/2     /2

x = 15

Schach [20]3 years ago
5 0

Answer:

x = 15

Step-by-step explanation:

Supplementary = 180 °

Add the numbers

(2x + 20) + 130 = 180

2x + 150 = 180

Subtract 150 from both sides of the equation

2x+150- 150 =180 - 150

Simplify

2x = 30

Divide both sides of the equation by the same term

\frac{2x}{2} =\frac{30}{2}

Simplify/Solution =

x=15

Hence, x = 15.

[RevyBreeze]

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