Order of operations
PEMDAS Step 1 Parentheses Step 2 Exponents Step 3 Muliply or Divide (Left to Right) Step 4 Add or Subtract (Left to Right) (4 x 1) + 9 13 15 - (2 x 5) 5 1 + (2 x 9) 19 29- (2 x 5) 19 (7 x 2) +2 16 (9 +5 -6) + (3 x 7) 29 (32 - 6 x 3) +6 20 5 x 7 -3 + (5 x2) 42