State which of the following are equations with a variable. In case of an equation with a variable, identify the variable.
(ii) 2b-3=7
Given,2b-3=7
Yes, it is an equation with variable b.
State which of the following are equations (with a variable). Give reasons for your answer. Identify the variable from the equations with a variable.17=x+7
17+x=5
7×3-19=2
(ix) 32q=5