00:01
Hi, in this question, given that 5 x x -4 equals minus 7 x 8 plus 2 x plus 19 x, we need to tell whether the equations are identity, conditional or contradiction.
00:11
If it is identity, then it is true always.
00:14
Like 2 equals 2, 3 equals 3.
00:17
If it is conditional, then it is true only for some value.
00:20
If it is contradiction, then never true.
00:23
We get the false statement.
00:25
On simplifying the given equation, then we get 5 x minus 5 into 4 becomes 20, which is equal to minus 7 into 8 becomes minus 56, minus 7 plus 2 becomes minus 14 x plus 19 x, which implies 5 x minus 20 equals here minus 56 plus 5 x...