what is 5q-20?

I am doing maths homework and am stuck on this one :)
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2 Answers

???????????? maebee 5x-20=0 ????????????

then 5x=20

so x=4
by
5q-20=0

add 20 both sides   (5q-20+20=0+20)so(5q=20) and q=20/5 so q=4

then divide by 5 so q=4
by Level 1 User (780 points)

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