5272道题目5525 条题源记录 · 相同内容已合并
二元一次方程组求解进阶
At what point (x, y) do the graphs of the equations \( y=5x+8 \) and \( y=6x-2 \) intersect in the xy-plane?
原库参考解析
二元一次方程组求解挑战
\( y=\frac{x}{4}+6 \)
\( y=-\frac{x}{4}+20 \)
The solution to the given system of equations is (x, y). What is the value of 2y?
原库参考解析
二元一次方程组求解挑战
\( 7y=-6x+2,550 \)
\( 24x-28y=1,800 \)
The solution to the given system of equations is \( \left(x,\ y\right) \). What is the value of\( x+y \) ?
原库参考解析
二元一次方程组求解挑战
At what point \( \left(x,\ y\right) \) do the graphs of the equations \( y=3x+1 \) and \( y=4x-6 \) intersect in the xy-plane?
原库参考解析
二元一次方程组求解挑战
\( y=\frac{x}{3}+8 \)
\( y=-\frac{x}{3}+20 \)
The solution to the given system of equations is (x, y). What is the value of 2y?
原库参考解析
二元一次方程组求解进阶
\( 4x=16 \)
\( -3x+y=-5 \)
The solution to the given system of equations is \( \left(x,\ y\right) \) . What is the value of \( x+y \)?
原库参考解析
二元一次方程组求解进阶
\( x+21y=33 \)
\( 5x+3y=29 \)
The solution to the given system of equations is (x, y). What is the value of y?
原库参考解析
二元一次方程组求解进阶
\( ax-by=72 \)
\( 2ax-8y=48 \)
In the given system of equations, a and b are constants. The graphs of these equations in the xy-plane intersect at the point \( \left(x,\ 6\right) \). What is the value of b?
原库参考解析
二元一次方程组求解挑战
\( y=\frac{x}{4}+6 \)
\( y=-\frac{x}{4}+30 \)
The solution to the given system of equations is (x, y). What is the value of 2y?
原库参考解析
二元一次方程组求解进阶
\( 10x=110 \)
\( 8x-86=y \)
The solution to the given system of equations is \( (x,\ y) \). What is the value of \( y \) ?
原库参考解析
二元一次方程组求解进阶
\( 3x+6y=17 \)
\( -3x-4y=5 \)
The solution to the given system of equations is \( (x,\ y) \). What is the value of \( 2y \) ?
原库参考解析
二元一次方程组求解挑战
A piece of string with a length of 108 inches is cut into two parts. One part has a length of x inches, and the other part has a length of y inches. The value of x is 8 more than 4 times the value of y. What is the value of x?
原库参考解析
