exam Maths Puzzle Numerical Ability

|5b+9|+16=2

when I tried solving, i got 2 answers (b=-23/5, 1) but when i checked the answer it didnt work out

Read Solution (Total 0)

exam Other Question

Find the LCM of (6+7x), (36-49x^2), and (6-7x) Arnold had $1.70 in dimes and quarters. He has 3 more dimes than quarters. How many of each coin did he have?