Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula reduciendo las expreciones semejantes 21·x-29·x-7·x+3·x=_____ -21·x-(-8·x)+(-14·x)-(-6·x)=_____ - 21·x+29·x+(-7·x)-(-3·x)=_____ 21·x+(-6·x)-(-7·x)-(-8·x)=_____ 21·x+(-8·x)-(-3·x)-(-14·x)=_____
Right answer summary: part 1: -12·x; part 2: -21·x; part 3: 4·x; part 4: 30·x; part 5: 30·x
Question state: todo