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If 3x + 4 = 19, what is x?
Practice Questions
Q1
If 3x + 4 = 19, what is x?
x = 3
x = 5
x = 4
x = 6
Questions & Step-by-Step Solutions
If 3x + 4 = 19, what is x?
Steps
Concepts
Step 1: Start with the equation 3x + 4 = 19.
Step 2: To isolate the term with x, subtract 4 from both sides of the equation. This gives you 3x = 19 - 4.
Step 3: Calculate 19 - 4, which equals 15. Now the equation is 3x = 15.
Step 4: To find x, divide both sides of the equation by 3. This gives you x = 15 / 3.
Step 5: Calculate 15 divided by 3, which equals 5. So, x = 5.
Algebraic Manipulation
– The process of rearranging equations to isolate the variable.
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