Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
[tex]11[/tex]
[tex]b = 3 \\ \\ 23 - 4b \\ 23 + 4 \times 3 \\ 23 - 12 \\ 11[/tex]
hope this helps you
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