use elimination to solve each system of equations 例子:X- Y= 1 X + Y= 3 and 3x-y=26 -2x-y= -24 答案 利用消元法求解每个方程组1.x-y=1 (1)x+y=3 (2)解 (2)-1×(1)代替(2),原方程组化为x-y=1 (1)2y=2 (2)解得y=1代入(1)得x-1=1,x=2,故方程组的解为x=2,y=1.2...
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Use the substitution or elimination method to solve each system of equations. State whether it is an inconsistent system or has infinitely many solutions. If a system has infinitely many solutions, write the solution set with y arbitrary.2x+y+z=3x+2y-z=33x-y+z=5 相关知识点: 试题来源:...
题目Solve the system of linear equations by the method of elimination. Identify and label each line with its equation, and label the point of intersection (if any). \((array)l 2x-8y=-11 5x+3y=\ 7(array). 相关知识点: 试题来源: ...
Linear Equations with Three Variables and Elimination method: In algebraic mathematics, a linear equation is the simplest form of a mathematical equation because its degree is one that implies that each variable of the linear equation has single power. A linear equation...
Multiply each term in the first equation by 3 and each term in the second equation by 2. Then subtract the second from the first. This will give you one equation in one variable (y). Solve for y. Then substitute that value into either equation and solve for x. Upvote • 0 Downvote...
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For systems with two variables, each equation represents a line in two-dimensional space. The point where the two lines intersect is the solution of the full system because this is the only point that solves both the first and the second equ...