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Practice: Write and Solve Multi-Step Equations - Quiz - Level G
1) Three sides of a quadrilateral are the same length, q. The length of the fourth side is 7 inches.
The perimeter of the quadrilateral is 40 inches.

» Write an equation that represents
the situation.

Sagot :

Answer:

3x + 7 = 40

Step-by-step explanation:

3 sides are equal
1 side is 7
all of them added equals 40
3x + 7 = 40
-7 on both sides
3x = 33
x = 11
the 3 equal sides are equal to 11

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