Question

For the given equation, find the value of M when x=3. 2x+m=7

Answer 1

`m = 1`

Explanation:

`2x + m = 7`

insert x=3 into the equation

`2(3) + m = 7`

multiply

`6 + m = 7`

subtract 6 on both sides

`6 - 6 + m = 7 - 6`

`m = 7 - 6`

simplify

`m = 1`