SOLUTION: I was given this problem and i do not even know where to begin.. remove parentheses and solve 4{3[5(y - 3) + 9] + 2 (y + 8)}

Algebra ->  Expressions-with-variables -> SOLUTION: I was given this problem and i do not even know where to begin.. remove parentheses and solve 4{3[5(y - 3) + 9] + 2 (y + 8)}      Log On


   



Question 503677: I was given this problem and i do not even know where to begin.. remove parentheses and solve

4{3[5(y - 3) + 9] + 2 (y + 8)}

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The rule for handling parentheses is to work from the
inside out.
Another rule is: The number of ('s have to
equal the number of )'s
In this case, there are 4 ('s and 4 )'s

+4%2A%283%2A%28+5y+-+6%29+%2B+2y+%2B+16%29+
Work again from the inside
+4%2A%28+15y+-+18+%2B+2y+%2B+16%29+
+4%2A%28+17y+-+2+%29+
+68y+-+8+ answer
-------------
You can check answer by picking a value for y
and trying it in original and final answer
I'll say +y+=+7+
+4%2A%283%2A%285%2A%287+-+3%29+%2B+9%29+%2B+2%2A%287+%2B+8%29%29+
+4%2A%283%2A%285%2A4+%2B+9%29+%2B+2%2A15%29+
+4%2A%283%2A%2820+%2B+9%29+%2B+30%29+
+4%2A%283%2A29+%2B+30%29+
+4%2A%28+87+%2B+30+%29+
+4%2A117+
+468+
and
+68%2A7+-+8+
+476+-+8+
+468+
They match