(a)(3,5) (b) (3,-5) (C) (5,3)
4. If nx+3y = 25 and y = 1 and = then find x:
(a) 4
(b)3
(c) 5
graph of the equation 2y + 3y = k
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4x − 2y = 5. We can ... A three-by-three system of equations such as. 3x − y − z = 0. x + y = 5 ... x − 3y + 3z = 4. 2. ... x-3y-5z=-2 ... x − 3y = −1. 3) ... Then replace row 2 with the result.
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