Question

What is the solution of 8 + a = 13? Justify each step.

Answer 1

1) subtract 8 to both sides
2) a=5

Answer 2

`\Huge \boxed{a=5}`

`\rule[225]{225}{2}`

Explanation:

`8+a=13`

Subtracting 8 from both sides:

`8+a-8=13-8`

`a=5`

`\rule[225]{225}{2}`