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23-01-2021
Mathematics

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Show workings please

Show workings please class=

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23-01-2021

Answer: x = 21°

Step-by-step 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

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