Year 12 · Mathematics · Lesson 24

duldtal

Unknowns — Solve for an unknown quantity.

Grammar point

The unknown is named x (spoken duld). An equation is a lik clause.

Vocabulary

duld

/duld/

unknown, hidden

lign

/liŋn/

equation

los

/loːs/

to solve

verd

/verd/

value

sett

/setː/

to substitute

prov

/proːv/

to check, prove

Examples

duld ok þri lik-a sjau: duld fjor hain-a vag.

x plus three equals seven, so x is four.

an lign-et los-en, so prov-en þar.

I solved the equation, then checked it.

Drills

  • Solve twelve one-step equations.
  • State each solution as a vag clause.