exam Maths Puzzle Numerical Ability

solve for x

log base 2x + log base 2(x-6)=4

my answer was x=2

am I correct?

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exam Other Question

Could you please help me with the following. The directions read: Find four solutions for each equation.
y=8
x=-1

2. Graph each equation by plotting ordered pairs
x=2
y= -3
alyssa can sew 100 baby dresses in 4 weeks. Alyssa had already finished 25 when MAe joined her. If 200 baby dresses were sewed 2 and 1/3 weeks after MAe joined Alyssa, how many baby dresses can Mae sew in a week?