Solve each of the following systems of equations for x and y.(a) x+y = 24 x-y=

游客2024-01-12 78

问题 Solve each of the following systems of equations for x and y.
(a) x+y = 24
x-y=l8
(b) 3x-y = -5
x + 2y = 3
(c) 15x- 18 - 2y =-3x+y
10x + 7y + 20 = 4x + 2 [br]

选项

答案 x=1/2
y = -3

解析

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