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The perimeter of the triangle below is 10x - 3 Show how to solve

The perimeter of the triangle below is 10x - 3 Show how to solve
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25 votes
The perimeter of the triangle below is 10x - 3

Show how to solve

The perimeter of the triangle below is 10x - 3 Show how to solve-example-1
User Kyle Lowry
by
8.1k points

1 Answer

6 votes
10x - 3 = x + 2 + 2x - 1
10x - 3 = 3x + 1
-3x on both sides
7x - 3 = 1
-1 on both sides
7x - 4

(Check 7x - 4 by adding them all up to equal 10x - 3)
x + 2 + 2x - 1 + 7x - 4 = 10x - 3
combine liked terms
10x - 3 = 10x - 3

Answer:
D) 7x - 4

User Sitram
by
8.4k points
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