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20 - 10y - 7y + 9 please need help ASAP .................,...........................................,...,................ ​

20 - 10y - 7y + 9 please need help ASAP .................,...........................................,...,................ ​
asked 218k views
3 votes
20 - 10y - 7y + 9

please need help
ASAP
.................,...........................................,...,................
​

asked
User Sanjay Chaudhry
by
8.1k points

2 Answers

6 votes

Suppose you want to equate an expression to zero:


\[\begin{array}{l}20 - 10y - 7y + 9 = 0\\29 - 17y = 0\\17y = 29\\y = \frac{{29}}{{17}}\end{array}\]

answered
User Nivniv
by
8.8k points
2 votes
29-3y, because 20+9, and 10y-7y :)
answered
User Finners
by
7.9k points
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