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5 votes
Describe how to model -3x + 7 =28 with algebra tiles

User Merion
by
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2 Answers

3 votes
subtract 7 to 28 = 21 then divided by -3 = x= -7
User Joshpetit
by
7.6k points
2 votes

Answer:

-7

Explanation:

-3x + 7 =28

3x = -21

x = -7

User Kamrul
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7.2k points