9. A manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of this part are shown below.
1 answer:
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Answer:
Step-by-step explanation:
So we have the equation:
To solve, subtract 5 from both sides. This is the subtraction property of equality:
The left side cancels:
Subtract on the right.
So, our answer is -7.