1. BODMAS first12 + 3 x 71. BODMAS firstMultiply or divide before adding.13 x 7 = 21212 + 213answer 33Multiply or divide before adding.Multiply or divide before adding.
2. Signed combine12 + 3 x 72. Signed combineJoin the remaining signed terms.13 x 7 = 21212 + 213answer 33Join the remaining signed terms.Join the remaining signed terms.
3. Sign check12 + 3 x 73. Sign checkRe-read the final sign.13 x 7 = 21212 + 213answer 33Re-read the final sign.Re-read the final sign.