Solve the system by the substitution method,and identify the value of x of the solution.2x - 5y = 3y = -2x + 1 相关知识点: 试题来源: 解析 把Y=-2X+1代入2x-5y=32X-5(-2X+1)=32X+10X-5=3X=2/3把X=2/3代入y = -2x + 1得出Y= -1/3 ...
2X-5(-2X+1)=3 2X+10X-5=3 X=2/3 把X=2/3代入y = -2x + 1得出Y= -1/3
百度试题 结果1 题目【题目】Solve the systems using the substitution method.y=-4xx+y=/ 相关知识点: 试题来源: 解析 [(-1/3*4/5)] 反馈 收藏
③ To apply the method of substitution to solve the equation with algebraic fractions(3x)/(x-1)+1=0 . 10t(x-1)/x=y and convert the original equation to a polynomial equation in y.Then this polynomial equation is ( ).(A) y^2+y-3=0(B) y^2-3y+1=0(C) 3y^2-y+1=0(D) ...
百度试题 结果1 题目 Use the substitution method to solve the following simultaneous equations: (1)] (cases) y=1-x, 3x+2y= (cases) (2) ; (cases) 2x+y=5, 4x+5y=1 (cases) . 相关知识点: 试题来源: 解析 反馈 收藏
题目【题目】III. Questions that require solutionsUse the substitution method to solve the following simultaneous equations:(1)y=1-x,;3x+2y=5. 2x+y=5,2) 2x+y=5;4x+5y=13.8 Solve the following simultancous cquations:2x-y=3;3x+2y=8. (2)x+1/2y=4;1/3x+1/2y=1. 9Solve the ...
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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:...
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Solve the systems of equations using the substitution method {y=2x+4y=3x+2 We substitute the y in the top equation with the expression for the second equation: 2x+4=3x+24−2=3x−2x2=x To determine they-value, we may proceed by inserting ourx-value in any...