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3 years ago

ILL GIVE BRAINLY PLEASE HELP

Mathematics

1 answer:

Nataly_w [17]3 years ago

7 0

Answer:

x=3

Step-by-step explanation:

Figure ABCD is a rectangle. In rectangles, <u>opposite sides are equal</u>. In the figure, BC and AD are opposite of each other, therefore their side lengths are equal. The side lengths are given: BC=9x-6, and AD=3x+12. Write this as an equation:

9x-6=3x+12
9x-3x-6=3x-3x+12 (Subtract 3x from each side of the equation)
6x-6=12
6x-6+6=12+6 (Add 6 to each side of the equation)
6x=18
x=3 (Divide each side by 6)

please let me know if this is wrong, hope it helps :)

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Read 2 more answers

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anastassius [24]

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