book Maths Puzzle Numerical Ability

write the expression |x-15| without absolute value symbols when x>16

Read Solution (Total 0)

book Other Question

please please help me with this problem.ive tried and tried and i still cant get the answer. If the latitude of Chicago is about 42degrees and the radius of the earth is about 4000 miles, how far is Chicago from the equator?(use pi=3.1416) SOLVE THE FOLLOWING EQUATIONS
15+20=2x+2x
6x+2x=20-4
5x-17=30x+3
3(x+2-3x)=20+2(x-2)
10(x+5-3)=5x-3
4x-10+30=4x+7x-8
5x-10+2(3+x-2x)=8x
3x-2=4(-2+3x)+20