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

asked Mar 28, 2023 78.9k views

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1 vote

First write the expression.

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

Wangdu Lin answered Apr 1, 2023

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