9. Evaluate 3x + 5y + 7z if x = -2, y = 5, and z = 4
Answers
Answered by
7
Step-by-step explanation:
3x+5y+7z
= 3*(-2) + 5*5 + 7*4
= -6+25+28
= 19+28
= 47.
Answered by
4
Answer:
The answer is 47
Step-by-step explanation:
3(-2)+5(5)+7(4)
-6+25+28
19+28
= 47
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