What is the third step for solving the inequality for x?
3(x−5)−4x>9
(1 point)
Responses
Undo addion or subtraction
Combine like terms
Move variables to one side of the equal sign
distribute
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9 months ago
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8 months ago
The third step for solving the inequality 3(x−5)−4x>9 is to combine like terms.
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8 months ago
The third step for solving the inequality 3(x-5) - 4x > 9 is to move variables to one side of the equal sign. Here's how you can do it:
1. Start by distributing the 3 to the terms inside the parentheses: 3x - 15 - 4x > 9.
2. Combine like terms by subtracting 15 from both sides of the inequality: -x - 15 > 9 - 15.
Now, to move variables to one side of the equal sign (or in this case, the inequality sign), you need to isolate the variable term (-x) on one side and the constant term (9 - 15) on the other side. Here's how:
3. Add x to both sides to get rid of the negative sign: -x + x - 15 > 9 - 15 + x.
This simplifies to: -15 > -6 + x.
4. Finally, to isolate the x term, you can subtract x from both sides: -15 - x > -6 + x - x.
Simplifying the expression gives you: -15 - x > -6.
And there you have it! The third step for solving the inequality is to move variables to one side of the equal sign, which in this case involved isolating the x term.