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In the equation 3x + 4y = 12, what is the value of y when x = 0?
In the equation 3x + 4y = 12, what is the value of y when x = 0?
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Q1
In the equation 3x + 4y = 12, what is the value of y when x = 0?
0
3
4
12
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Substituting x = 0 gives 4y = 12, thus y = 3.
Questions & Step-by-step Solutions
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Q
Q: In the equation 3x + 4y = 12, what is the value of y when x = 0?
Solution:
Substituting x = 0 gives 4y = 12, thus y = 3.
Steps: 8
Show Steps
Step 1: Start with the equation 3x + 4y = 12.
Step 2: Substitute x = 0 into the equation. This means wherever you see x, you replace it with 0.
Step 3: The equation now looks like this: 3(0) + 4y = 12.
Step 4: Simplify the equation. 3(0) is 0, so it becomes 0 + 4y = 12.
Step 5: Now, the equation is 4y = 12.
Step 6: To find y, divide both sides of the equation by 4. This means you do 12 ÷ 4.
Step 7: Calculate 12 ÷ 4, which equals 3.
Step 8: Therefore, y = 3.
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