exam Maths Puzzle Numerical Ability

Solve the following systems by substitution

5x - 2y = -5
y - 5x = 3

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directions: use quadratic equation x=-b+(rad)(b^2-4ac)/2a to find theroots of the equation x^2-3x+2=0.(the plus sign by the b has a line under it). i can have one of four answers. A)2 B)2,1 C)-1,-2 D)1,1 1/2. which one is correct? Could someone please take the time to help me solve the question: Solve the following system of two linear equations by elimination: 3 x - 4 y = 13 and 3 y + 2 x = 3. Noting each e