deadlydazy13
21.11.2019 •
Mathematics
The game stop is having a sale and all games are reduced by 55%. if a game is now 29.99, what was the original price
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Ответ:
x = 20
Step-by-step explanation:
5x - 21 = 2x + 39 (corresponding angles are congruent)
Collect like terms
5x - 2x = 21 + 39
3x = 60
Divide both sides by 3
3x/3 = 60/3
x = 20