Jonny is solving this equation for n:8+3n=20. His first step is to subtract 8 from both sides of the equation. Why?

Answer 1

Jonny is subtracting 8 from both sides of the equation to isolate the variable n on one side. By subtracting 8, he is able to move the constant term to the other side of the equation and simplify the equation so that he can further solve for n.