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Answer: -2f + 5e
Heres why, first combine like terms. 12e - 5f - 7e + 3f = 5e - 5f + 3f.
Next, do it again. 5e-5f + 3f = 5e-2f.
Rearrange those terms. 5e-2f = -2f + 5e
Hope this helped :)
Answer:
12e - 5f - 7e + 3f' s answer simplified is 5e - 2f
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