UPSKILL MATH PLUS

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Solve the following pair of linear equations by the substitution method.
 
1. \(s – t = 3; \frac{s}{3}+\frac{t}{2}=6\)
 
\(s=\)
 
\(t=\)
 
2. \(0.2x + 0.3y = 1.3; 0.4x + 0.5y = 2.3\)
 
\(x=\)
 
\(y=\)