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Mariana [72]
3 years ago
6

ABCD is a parallelogram. if side AB=5x+7 side BC=8x-12 and side CD=7x-14 find the value of x

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

The value of x=10.5 units

Step-by-step explanation:

Here you should have in mind that in a parallelogram, opposite sides are congruent. In this case, AB=DC

Given the expressions, AB= 5x+7 and CD=7x-14 then you can equate the two for the value of x

5x+7 = 7x-14

collect like terms

7+14=7x-5x

21=2x

21/2=2x/2

10.5 =x

Learn More

Properties of a parallelogram : brainly.com/question/3100335

Keywords : parallelogram, side, value

#LearnwithBrainly

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