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To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: Convert and to improper fractions.
- becomes because .
- becomes because .
Step 2: The equation is . Rearranging gives us .
Step 3: Perform the addition:
- Adding the improper fractions gives .
Step 4: Convert back to a mixed fraction:
- Divide by , which gives with a remainder of .
- So, is equivalent to .
Therefore, the number we are looking for is .
\( 5:\frac{2}{5}= \)
Mixed numbers are harder to add and subtract! Converting to improper fractions like and lets you work with the same denominators easily.
Use the opposite operation of what's being done to the variable. Since is being subtracted from x, you need to add to both sides.
Divide the numerator by the denominator! For :
It's much more challenging and error-prone. You'd need to separately add whole numbers and fractions, then possibly regroup. Converting to improper fractions first is the safer method.
Substitute your answer back into the original equation: . The whole numbers: 5 - 4 = 1, and fractions: , giving ✓
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