Urgent help please! similar figures use the similarity relationship to find the indicated value

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.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

An angle that measures between 90 and 180° is called a(,