Solve the equation below and write your answer using set notation.

Question

3（エー1）=10-2（22+3）
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Answer 1

To solve the equation \( 3(エー_1) = 10 - 2(22 + 3) \), we will follow these steps:

1. Simplify the right side of the equation: \[ 2(22 + 3) = 2(25) = 50 \] So, the equation becomes: \[ 3(エー_1) = 10 - 50 \] Simplifying the right side: \[ 10 - 50 = -40 \] Now the equation is: \[ 3(エー_1) = -40 \]

2. Isolate \( エー_1 \) by dividing both sides by 3: \[ エー_1 = \frac{-40}{3} \]

3. Express the solution in set notation: The solution is \( {-\frac{40}{3}} \).

So, the final answer in set notation is: \[ \boxed{\left{ -\frac{40}{3} \right}} \]