Answer:
-12b+6c+18 = -24
Explanation:
-12b+6c+18 = ?
Substitute the variables in for their value
-12(2)+6(-3)+18 = ?
Multiply
-12 x 2 = -24
6 x -3 = -18
-24-18+18 = ?
Solve.
-18 + 18 = 0
-24 - 0 = -24
The answer is -24.
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