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Maths Puzzle
Numerical Ability
using elimination to solve this system of equations, how would i solve
8x-3y=-11
2x-5y=27
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book Other Question
solve -3/x+9/9x=-1 a)=-5/6 b)=-6/5 c)2 d) no answer
solve by addition
4x-y=3 5x+4y=2
a)(1,__) b), c)-10/21 d)23/21 (__,2)
what are the x-intercepts of the equation y=2x^2+4x-3
please answer with square roots or fractions