Rearrange a formula
Linear equations and formulas · Stage 2
Recognize the pattern
Treat the requested variable as the unknown and undo its operations.
Useful ruleIsolate the requested variable
Build on: ALG-01
Try it before reading the solution
In A = lw, express w in terms of A and l.
This teaching example is original and is not an official SAT question.
Reasoning
Divide both sides of A = lw by l.
Answerw = A/l, where l ≠ 0
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.