exam Maths Puzzle Numerical Ability

4-3x=16 is the answer 4

dont get this one -13(3x-11)+2=28

6-4(2-1/2x)+x=22

help me please

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exam Other Question

Solve the inequality, express the solution set in interval notation and graph it. I can't figure this one out...Help!

absolute value line followed by x-2, another absolute valu I am not able to figure these out. Can someone help me through a couple

1.) log4x+log4y-log4m

2.) ln54-ln6

3.) log(x-2)-log(x-2