exam
Maths Puzzle
Numerical Ability
|2x+6|=10
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exam Other Question
in need of help with solving this system: {x^2-100y^2=100
{x^2+ y^2=100
thanks for the help.
hOW DO i SOLVE FOR Z? -2/3(2Z+3)=1/2(1-Z) iKEEP GETTING -1