If +=÷, - + x ; then 12 + 4 × 2 - 3 = ?A8B9C4D10Answer: B. 9 Read Explanation: Given the substitutions:+ means ÷- means ×× means +Replace the operators in:12+4×2−312 + 4 \times 2 - 312+4×2−3to get:12÷4+2×312 \div 4 + 2 \times 312÷4+2×3Now apply the standard order of operations (÷ and × before +):12÷4=312 \div 4 = 312÷4=32×3=62 \times 3 = 62×3=63+6=93 + 6 = 93+6=9Answer: 9 Read more in App