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Mathematics
Rayne Anthony
4 May, 20:54
If x equals 7. What is 3x-47
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Sarah May
4 May, 22:09
0
-26
Step-by-step explanation:
x=7
3 is being multiplied by X
replace X with 7 in your equation
Your equation should then look like this: 3 (7) - 47
The parentheses around the 7 indicate that the 7 is being multiplied by the 3 or in other words: (3*7) - 47
multiply 3 and seven before subtracting 47
3*7 = 21
Once you have your answer to that subtract 47, your answer should be a negative # because you are subtracting a larger # from a smaller #
21-47 = - 26
so if X equals 7. 3x-47 = - 26
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Johan Joseph
5 May, 00:10
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Answer: x = - 26
Step-by-step explanation:
3x-47
substitute x with 7: 3 (7) - 47
3 (7) = 21 - 47 = - 26
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