Solve for b
b=0
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-24-12b=-24
Swap sides so that all variable terms are on the left hand side.
-12b=-24+24
Add 24 to both sides.
-12b=0
Add -24 and 24 to get 0.
b=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -12 is not equal to 0, b must be equal to 0.
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