book Maths Puzzle Numerical Ability

What is the opposite of a real number?

Read Solution (Total 0)

book Other Question

please help me with these problems:

6x+4=-3(X-3)
5/6x-3=x/3+4
11x-3(2x-7)=5x-3+2x
x/7-x/5=1/7
2(x-5)+3=15(x+2)-37 The sum of three numbers is 66. The second number is twice the first and six less than the third. Find the numbers