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20.07.2019 •
Mathematics
What is the answer to gh-4gh+7g-8h+h
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Ответ:
x=10
Step-by-step explanation:
Because the image shows a right angle, we know it's 90 degrees. the two angle measures added together to create the 90 degrees are represented by 4x and 5x, so;
4x+5x=90 (combine like terms)
9x=90 (divide each side by 9 to isolate the variable)
x=10