Solve: x + 3x - 2x = 12
Solve Equations

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•
Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
6
2.
FLASHCARD QUESTION
Front
Translate: Four times a number plus six is 30.
Back
4x + 6 = 30
3.
FLASHCARD QUESTION
Front
2x + 3(5x - 7) = 47
Back
x = 4
4.
FLASHCARD QUESTION
Front
Solve:
Back
165
5.
FLASHCARD QUESTION
Front
The high bars are three feet higher than double the height of the low trapeze bar. The low bars are 18 feet high. Which equation can be used to find the height of the high bar, h?
Back
h = (18 x 2) +3
6.
FLASHCARD QUESTION
Front
A number is doubled, then 9 is added. The result is 23.
Back
2x + 9 = 23
7.
FLASHCARD QUESTION
Front
Solve:
Back
x = 19.5
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