3 years ago

Will give brainliest to whoever replies with the correct answer. (Question is in the image)

Mathematics

1 answer:

EastWind [94]3 years ago

5 0

Answer:x = 7

Step-by-step explanation:

Similar figures have sides that are proportional. Setting up a proportion for the sides of the figures will help solve for 'x':

Cross-multiply: 3(x + 1) = 6(x - 3)

Distribute: 3x + 3 = 6x - 18

Combine like terms: 21 = 3x

Solve for 'x': x = 7

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