How to solve equation in primary school mathematics calculation

X-()A=()B
X=()B+()A
X=()B+A
X+()A=()B
X=()B-()A
X=()B-A
X*()A=()B
X=()B/()A
X=()B/A
X/()A=()B
X=()B*()A
X=()BA
()A-X=()B
X=()A-()B
X=()A-B
()A/X=()B
X=()A/()B
X=()A/B