exam
Maths Puzzle
Numerical Ability
How do I solve the following system by substitution
5x-2y=-5
y-5x=3
The solution for this system is =>
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exam Other Question
Find f(-3) if f(x) = -2x^3-8x^2+2x-1
use elimination to solve the system 3x+5y=16 and 8x-5y=28 for x