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Mathematics, 29.07.2019 19:30 webbjalia04

Joe worked out his homework problem below. choose the statement that best describes his work. solve for x in the diagram below. step 1: 3x-7+4x+5=180 step 2: 7x-2=180 step 3: 7x=182 step 4: x=26 a) all of joe's work is correct. the solution is x = 26. b) in step 1, joe incorrectly added the two expressions together and set them equal to 180° instead of setting them equal to each other. c) to get to step 2, joe combined like terms incorrectly. d) to get to step 3, joe incorrectly added 2 to both sides, instead of dividing both sides by 7.

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