Algebra

Multiplication & Division

100

d x 5=15

d=3

200

d x 7=84

d=12

300

10÷3=3.333333........

x=3

400

95 x b=1045

b=11

500

5d ÷ 6b=3

d=18 b=5

Dsubtraction & addition

100

t + 7=17

t=10