Search "U02_L1_T3_we1"

Algebraic midpoint of a segment exercise

Khan Academy
Algebraically determining segment length
586
03:18

Linear systems word problem with substitution

Algebraic Word Problem

Khan Academy
Systems word problems
610
08:01

Systems of equation to realize you are getting ripped off

Khan Academy
Systems word problems
573
04:14

Thinking about multiple solutions to a system of equations

Khan Academy
Systems word problems
552
02:11

Recognizing divisibility

Recognizing Divisibility

Khan Academy
Divisibility tests
518
06:25