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Show workings please

Show workings please
asked 84.8k views
21 votes
Show workings please

Show workings please-example-1
asked
User George Yang
by
8.3k points

1 Answer

8 votes

Answer: x = 21°

Explanation:

37 + 4x + (3x - 4) = 180° Original Equation

37 + 4x + 3x - 4 = 180° Commutative Property of Addition

7x + 33 = 180° Combine like terms

7x = 148° Subtract 33 from both sides

x = 21° Divide both sides by 7

answered
User Brettfazio
by
8.4k points
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