3x + 5 = 5x - 13
Subtract 3x from both sides: 5 = 2x - 13
Add 13 to both sides: 18 = 2x
Divide both sides by 2: x = 9
Answer: x = 9
Frequently asked questions (FAQs)
Find the integral of f(x) = x^2 + 3x - 4.
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Question: Find the basic shape of the graph of the quadratic function f(x) = -2x² + 3x + 4. How does the graph open, and what are the x-intercepts and the vertex?
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What is the derivative of cos(3x^2 + 5) with respect to x?