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Write and solve an equation for .

Write and solve an equation for .
200k views
1 vote
Write and solve an equation for .

Write and solve an equation for .-example-1
User Zeeng
by
7.5k points

1 Answer

3 votes

Answer:


x = 40 \: \: degrees

Explanation:


3x + 20 + x = 180 \\ 4x + 20 = 180 \\ 4x = 180 - 20 \\ 4x = 160 \\ (4x)/(4) = (160)/(4) \\ x = 40 \: \: degrees

User Pietro Saccardi
by
8.9k points
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