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(blank)+(7x+24)=180
7x + (blank)+ = 180
7x =
x =

(blank)+(7x+24)=180 7x + (blank)+ = 180 7x = x =-example-1
User MartinHN
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1 Answer

7 votes

Answer:

first blank: 72°

2nd blank: 96

next line: 84

last: 12

Explanation:

The two marked angles are called same-side interior angles or consecutive angles.

They add up to 180°

Thats how you know how to set up the equation.

72° + 7x + 24 = 180

Add the plain numbers (the 72 and 24)

7x + 96 = 180

subtract 96 from both sides.

7x = 84

Divide both sides by 7.

x = 12

User LonelyCpp
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