exam Maths Puzzle Numerical Ability

The interval described in set-builder notation by the inequality
|2x+4| < 10 has interval notation (a,b)
for a = ?

and b = ?

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exam Other Question
Solve log(4) (m-3) + log(4) (m+3)=2.

thanks Write the equation of the line with slope -1/2 and y-intercept (0, 3).