If 7X = 20 then what is the value of 7 (X + 4) ?

# TJ Prep Problems

TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

"Outsmarting the Competition" - The Washington Post, 2001. (Hundreds of students accepted to TJ since 1994)

TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

If 7X = 20 then what is the value of 7 (X + 4) ?