skylergibbons01
16.10.2019 •
Mathematics
10x-3-2.5x+20=67 solve equation
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Ответ:
x = -4
Step-by-step explanation:
combine like terms
-10x - 3 - 2.5x + 20 = 67
-12.5x + 17 = 67
subtract 17 from both sides of the equal sign
-12.5x = 50
divide -12.5 from both sides of the equal sign
x = -4
Ответ:
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