Fill-in-the-blanks of the following two-column proof:
Given: QS = 42
Prove: x = 13
1) QS = 42 1) Given
2) QR + RX = QS 2) Segment Addition Postulate
3) (x + 3) + 2x = 42 3)
4) 3x + 3 = 42 4)
5) 3x = 39 5)
6) X = 13 6) Division Property of Equality
Stacey Warren - Expert brainly.com
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PLEASE HELP ME
Information appears to be missing. For one, where's the figure?
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besides that no information is missing. I need to answer 3, 4, 5
Well, notice how the step from 3x = 39 to x = 13 is division property of equality. Well, that makes sense, the last step was to divide. With that logic, look at what operations are being done.
x+3 is "substituted" for QR and 2x is "substituted" for RX.
As for the next step, this is just combining like terms, which is considered simplification, I dont believe its any equality or postulate, so Id just say simplify.
Then from 3x + 3 = 42 to 3x = 39, we just subtracted 3. So given the operations that we did, you should be able to see what the appropriate responses should be for each step.
Hope that makes sense ^_^