How long will the other side be ?

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

With #! i’ve tried to figure it out but i can’t.

In the rectangle below ac=30 units what is de