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yaroslaw [1]
3 years ago
12

I’m confused on this one

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
5 0

The triangles are similar. Set the two triangle's measurements equal to each other


8/10 = (x - 1)/(x + 2)


Cross multiply


8(x+ 2) = 10(x - 1)


Distribute the numbers


8(x) = 8x

8(2) = 16

10(x) = 10x

10(-1) = -10


8x + 16 = 10x - 10


Isolate the x. Subtract 16 from both sides, and 10x from both sides


8x (-10x) + 16 (-16) = 10x (-10x) - 10 (-16)


8x - 10x = -10 - 16


Simplify. Combine like terms


-2x = -26


Isolate the x. Divide -2 from both sides


-2x/-2 = -26/-2


x = -26/-2


x = 13


13 is your answer for x



hope this helps

just olya [345]3 years ago
5 0

The final answer is :

X = 13

:)

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I will try my best to assist you with your question ,

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