Question

7a+10=2a

Answer 1

What is the first step in solving this equation.

Answer 2

\[
\begin{align}
7a+10&=2a\\
7a+10-10&=2a-10\\
7a&=2a-10\\
7a-2a&=2a-2a-10\\
5a&=-10\\
\end{align}
\]

Can you do the last step?

Answer 3

move the 2a to the left side

Answer 4

k

Answer 5

Am i Right...

Answer 6

Not quite. That's 5 times a, so you can't just subtract the 5. You have to divide instead.