Question

3x-5y=-13 y=5

Answer 1

Im doing what with this

Answer 2

\(\color{blue}{ \sf 3x-5y=-13}\) \(\color{red}{ \sf and }\) \(\color{blue}{ \sf y=5}\)

\(\color{blue}{ \sf 3x-5 \color{purple } { (5) }=-13}\)

\(\color{blue}{ \sf 3x-25=-13}\)
\(\color{blue}{ \sf ~~~+25~~~+25}\)

\(\color{blue}{ \sf 3x=12}\)

\(\color{blue}{ \sf 3x \color{purple } { \div 3 }=12\color{purple } { \div 3 }}\)

\(\color{blue}{ \sf x=4}\)