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Mathematics, 06.05.2021 16:20 bm42400
Unit 4, Lesson 4 Cool-down 4.4 Mis-Steps
Lin solved the equation 8( x - 3 ) + 7 = 2x( 4 - 17 ) incorrectly.
Find the errors in her solution. What should her answer have been?
Lin's solution:
8( x - 3 ) + 7 = 2x( 4 - 17 )
8( x - 3 ) + 7 = 2x(13 )
8x - 24 + 7 = 26x
8x - 17 = 26x
-17 = 34x
-½ = x
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Unit 4, Lesson 4 Cool-down 4.4 Mis-Steps
Lin solved the equation 8( x - 3 ) + 7 = 2x( 4 - 17 ) inc...
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