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anonymous
 one year ago
How many solutions does the equation −3y + 3y + 4 = 4 have?
anonymous
 one year ago
How many solutions does the equation −3y + 3y + 4 = 4 have?

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.0try plugging in y = 1,2 and 3 and see what you get

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The work of a student to solve the equation 3(3y − 8) = 10 + 3y is shown below: Step 1: 3(3y − 8) = 10 + 3y Step 2: 6y − 5 = 10 + 3y Step 3: 3y − 5 = 10 Step 4: 3y = 15 Step 5: y = 5 In which step did the student first make an error and what is the correct step?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you help me with one more?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0any real number can be substituted for y and the equation will still hold
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