State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
(a)
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(b)
It is not an equation because there is no = sign between L.H.S and R.H.S
(c)
It is not an equation with variable because there is no variable present.
(d)
It is not an equation with variable because there is no variable present.
(e)
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(f )
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(g)
It is not an equation with variable because there is no = sign between L.H.S and R.H.S
(h)
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(i)
It is not an equation with variable because there is no variable present.
(j)
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(k) 20 = 5y
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
(l)
It is not an equation because there in no = sign between left hand side and right hand side.
(m)
It is not an equation because there in no = sign between left hand side and right hand side.
(n)
It is not an equation with variable because there is no variable present.
(o)
It is an equation with variable because there is = between L.H.S and R.H.S and there is variable
in the equation.
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