book
Maths Puzzle
Numerical Ability
how do u do this 2x+3y=(-4)
x+y=(-2)
and this x+2y=0
y=3
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book Other Question
What is the solution to the system of equations x(squared) -x+6= y and 2x+2y=36?
Also how do you get your answer?
Find the real solution, if any. Use quadratic formula and calculator.
x^2+sqrt2x-2=0
Thanks Caroline