2題開放式題目請提供列式+答案,最好有埋中文意思.
1.When you add a number to both sides of a linear equation in one unknown, then multiply both sides of the equation by the same number, the solution to the equation can be obtained.Set up an equation to satisfy the above.
2.The root of the equation ax+b=cx+d is 2, where a,b,c and d are all non-zero intergers.Find a set of values of a,b,c and d.