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If 5x - 3 = 2x + 12, what is x?
If 5x - 3 = 2x + 12, what is x?
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Q1
If 5x - 3 = 2x + 12, what is x?
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5x - 2x = 12 + 3, so 3x = 15, thus x = 5.
Questions & Step-by-step Solutions
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Q: If 5x - 3 = 2x + 12, what is x?
Solution:
5x - 2x = 12 + 3, so 3x = 15, thus x = 5.
Steps: 7
Show Steps
Step 1: Start with the equation 5x - 3 = 2x + 12.
Step 2: To get all the x terms on one side, subtract 2x from both sides. This gives you 5x - 2x - 3 = 12.
Step 3: Simplify the left side. 5x - 2x is 3x, so now you have 3x - 3 = 12.
Step 4: Next, add 3 to both sides to get rid of the -3. This gives you 3x = 12 + 3.
Step 5: Simplify the right side. 12 + 3 is 15, so now you have 3x = 15.
Step 6: Finally, divide both sides by 3 to solve for x. This gives you x = 15 / 3.
Step 7: Simplify the division. 15 divided by 3 is 5, so x = 5.
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