## Elementary Technical Mathematics

= 5 $\times$ 2 + 3 [ 2(5-3) + 4 (4+2) -3 ] Do the operations within the parentheses = 5 $\times$ 2 + 3 [ 2(2) + 4 (6) -3 ] Multiply = 10 + 3 [ 4 + 24 -3 ] Add and subtract within brackets = 10 + 3 [ 25 ] Multiply 3 with 25 = 10 + 75 Add = 85