exam Maths Puzzle Numerical Ability

I would really appreciate it if you could help me out with this problem.

{{{ log( 7, (3x+4)) }}} = {{{ log( 7, (2+2)) }}}

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exam Other Question

is this relation a function, if so how do I figure domain and range

(-4,4), (-2.2),(0,0),-2,-2)? Parallelogram PQRS has PQ=RS=8cm, and diagonal QS=10cm. Point F is on RS, exactly 5cm from S. Let T be the intersection of PF and QS. Find the lengths of TS and TQ.