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Danielle Valentine
Mathematics
27 February, 22:15
Evaluate the expression 7+4b when b = 3
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Tito
27 February, 22:33
0
We can substitute 4b with 12, because 4 * 3 = 12. 4b is the same as 4 different b's, and when we know b is 3, we can multiply 4 by 3 to get 12.
7 + 4b =
7 + 4 * 3 =
7 + 12 =
19.
7 + 4b when b = 3 is 19.
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Judith Kent
27 February, 22:34
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19
Step-by-step explanation:
Since we know the value of b we can add it into the equation
1. 7+4 (3)
Now we can simplify, lets start with multiplication
2. 7+12
Finally, simplify
3. 7+12 = 19
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