1. **Problem:** Six times a number is increased by 7. Then this sum is multiplied by 4, and the result is 10 larger than 30 times the opposite of the number. Find the number.
2. **Step 1: Define the variable.** Let the number be $x$.
3. **Step 2: Translate the problem into an equation.**
- Six times a number increased by 7: $6x + 7$
- This sum multiplied by 4: $4(6x + 7)$
- 30 times the opposite of the number: $30(-x) = -30x$
- The result is 10 larger than this: $4(6x + 7) = -30x + 10$
4. **Step 3: Expand and simplify the equation.**
$$4(6x + 7) = -30x + 10$$
$$24x + 28 = -30x + 10$$
5. **Step 4: Collect like terms.**
Add $30x$ to both sides:
$$24x + 30x + 28 = 10$$
$$54x + 28 = 10$$
6. **Step 5: Isolate $x$.**
Subtract 28 from both sides:
$$54x + \cancel{28} - \cancel{28} = 10 - 28$$
$$54x = -18$$
7. **Step 6: Solve for $x$.**
Divide both sides by 54:
$$x = \frac{-18}{54}$$
$$x = \frac{\cancel{-18}}{\cancel{54}} = -\frac{1}{3}$$
8. **Answer:** The number is $-\frac{1}{3}$.
Number Problem Bc4535
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