Solve for : .
Subtract 4 from both sides: .
7.EE.B.4 practice covers use variables to represent quantities, and construct simple equations and inequalities to solve problems by reasoning about the quantities. Work through 8 free questions with answers and explanations, then continue in the related math games.
Solve for : .
Subtract 4 from both sides: .
Solve for : .
Isolate : .
Solve for : .
Isolate : .
What value of satisfies ?
Add to both sides: . Divide both sides by : .
Solve for : .
Subtract from both sides: . Divide by : .
Solve for : .
Subtract 5 from both sides: .
Solve for : .
Isolate : .
Solve for : .
Isolate : .
The placement test chooses the right difficulty while every match keeps the standard in play.