Question

Solve: 1. 7x+5=m x=3

Answer 1

Given:

`7x+5=m`

Substitute x=3 in the above expression.

`\begin{gathered} 7*3+5=m \\ 21+5=m \\ 26=m \\ m=26 \end{gathered}`

Thus, the value of m is 26 when x=3.