Question: 1. Solve each linear system using the method of substitution. Check your answers. a) y = 3x - 4 x ty =8 b) x =

1. Solve each linear system using the method of substitution. Check your answers. a) y = 3x - 4 x ty =8 b) x = -4y +5 x + 2y = 7 c) y = -2x + 3 4x - 3y = 1 d) 2x + 3y = -1 x = 1- y 2. In each pair, decide which equation you will use first to solve for one variable in terms of the other variable. Do that step. Do not solve the linear system. a) x + 2y = 5 3x + 2y = 6 b) 2x+ y=6 checking se 3x + 2y = 10 3 x+ 49 - 16=( c) 2x + 5y = 7 3 ( 4 ) + 4 (1 ) x - 3y = -2 12 + 4 -1 d) 3x - y = 5 16- 16: 0 7x + 2y = 9 0 = 0 e) 2x - y = 2 Checking 5 4x + y = 16 X - 24 - 2 =

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