Lemma
MediumSystems
Lemma practice generator linear-system-2x2 #455,294,961 · Algebra · Systems

Two equations, two unknowns

2 pens and 7 notebooks cost 383 together; 1 pen and 1 notebook cost 79. Find the price of one pen and one notebook, as an ordered pair.

~5 minAnswer checked instantly
Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.