2000020307

SubArea: 
Systems of nonlinear equations and inequalities
Level: 
A
Project ID: 
2000020307
Accepted: 
0
Clonable: 
0
Easy: 
0
Describe the set of all ordered pairs of real numbers in the form [x;y] that are solutions to the followig equation. x−7y+1=5 Which of the descriptions of our solution set is correct?
{[5m+12;m];m∈R∖{−1}}
{[x;0.2x−2.4];x∈R∖{−0.7}}
{[5a−12;a];a∈R∖{−1}}
{[q;0.2q+2.4];q∈R∖{−1.8}}