Question

(-7b + 8c) - (12a + 14) + (5a + 5b) =

Answer 1

Given problem;

   (-7b + 8c) - (12a + 14) + (5a + 5b) = ?

 To this problem, we open the brackets, collect like terms and factor them.

The order of operation, PEMDAS must be strictly adhered to;

P = Parentheses

E = Exponent

M = multiplication

D = Division

A = Addition

S = Subtraction

(-7b + 8c) - (12a + 14) + (5a + 5b);

  Open the parentheses;

  Note;          + x +  = +

                      + x - = -

                      - x -  = +

                       - x + = -

So,

                     = -7b + 8c -12a - 14 + 5a + 5b

                  Collect like terms;

                     = 5a -12a + 5b - 7b + 8c -14

                     = -7a - 2b + 8c -14

The solution is -7a - 2b + 8c -14