8)A painter needs to buy a ladder in order to paint a wall that is 14' high. In order to ensure the ladder does not fall, it needs to be placed 2' away from
the wall. What size ladder does the painter need to buy to ensure that the
ladder will reach the to of the wall?write your answer rounded to the nearest tenth.

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!