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Vedmedyk [2.9K]
3 years ago
11

Jordan solved the equation −7x + 25 = 48; his work is shown below. Identify the error and where it was made. −7x + 25 = 48 Step

1: −7x + 25 − 25 = 48 − 25 Step 2: −7x = 23 Step 3: negative seven times x over seven = twenty-three over seven Step 4: x = twenty-three over seven Step 1: He should have added 25 to each side. Step 1: He should have divided both sides by −7. Step 3: He should have divided both sides by −7. Step 3: He should have multiplied both sides by −7.
Mathematics
1 answer:
almond37 [142]3 years ago
6 0

Answer:

Step 4 : he should have divided both sides by negative seven

Step-by-step explanation:

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Step-by-step explanation:

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The mean of the following data set is given by the following formula;

          Mean = \frac{\text{Sum of all data values}}{\text{Total number of observations}}

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