book Maths Puzzle Numerical Ability

i MADE The mistake when I was solving equations and did this


The equation 2(x-2) = x +3
First step in solving 2x-2=x+3

What error did I make? How could I avoided it? thanks

Read Solution (Total 0)

book Other Question
1) list 5 prime numbers.
2) find the prime factors of 624. What is an "additive inverse," "associative," "distributive," "identity of multiplication," "communitive of addition," "communitive of multiplication."