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x + 2x + 9y - 7y
3x + ( 9y - 7y )
3x + 2y
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Answer:
x=3
Step-by-step explanation:
This is a proportional equation:
Given: x/9=9/27
Cross-multiply: 27x=81
Divide: x=3
So x=3
The answer is <span>-(3/4) and 3/4</span>
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Answer:
Step-by-step explanation: