2 answers:
Answer: I believe that you wrote it wrong because options a and d are the same thing. The answer is -4x + 2 = 9
Step-by-step explanation:
The word "sum" is used to indicate addition, and "is" is used for equals, so it would be -4x + 2 = 9.
-4x+2=9 is the answer. Hope this helps.
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Answer: -9+12=3 -3+12=9
Step-by-step explanation:
Answer:
J) -4.5
Step-by-step explanation:
-12x=54
x=54÷(-12)
x=-4.5
29+18=47 17-8=9+47=56÷8=7 so its 7
Answer:
The type of lamp is a confounding variable.
Step-by-step explanation:
to test the average life of the bulbs the same lamps should be used
