3n^2+7n-6n-14+4n^2+6n= 7n^2+7n-14
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Answer:
Answer in the file
Step-by-step explanation:
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D is equivalent because brackets don’t change anything here
Answer:
q=-1
Step-by-step explanation:
.8-.4q=.2q+1.4
-.2q -.2q
.8-.6q=1.4
-.8 -.8
-.6q= 0.6
/-.6 /-.6
q= -1