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pollywallythecat
27.01.2020 •
Mathematics
Find the value of x for which the figure is the given special parallelogram
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Ответ:
(x - 1) + (2x + 10) = 90
Combine the like terms...
3x + 9 = 90
Subtract both sides by 9...
3x + 9 - 9 = 90 - 9
3x = 81
Divide both sides by 3...
3x = 81
(3x) / 3 = 81 / 3
x = 27
Ответ: