Answer: -6/7
Explanation:
3(5f+2)-f=2(-3)
 15f+6-f=-6 ⇔ distributive property
 14f+6=-6 ⇔ subtract f from 15f
 14f=-12 ⇔ subtraction property of equality (subtract 6 on both sides)
 f=-12/14 ⇔ division
 f=-6/7
Hope this helps!! :)
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