book
Maths Puzzle
Numerical Ability
(trying to understand my sons homework do not want him just getting the answers but I am lost )
how can I identify an inconsistent system when solving by subtitution?
Read Solution (Total 0)
book Other Question
Here is the question:
2v(3v2-1) - (6-8v3+14v)+3
here is my attempt:
6v3-2v - 6+6v2+3
4v2-3=6v2
What is the rule with exponents ?
~Tabitha
2x+4y=10
3x-2y=-9