Question

Solve for y by first substituting x. 3r + 2y = 1; r = 5

Answer 1

First write the expression.

`\begin{gathered} 3r+2y=1 \\ \text{Here, r=5} \\ \text{Now, } \\ 3*5+2y=1 \\ 15+2y=1 \\ 2y=-14 \\ y=-7 \end{gathered}`