Question

A ) 8 X -7 =9
b ) 2 .( X -1 ) = 4 . (X-2 )
c

Answer 1

A ) 8 X -7 =98x = 9 +7
8x = 16
x = $\frac{16}{8}$
x= 2

b ) 2 .( X -1 ) = 4 . (X-2 ) 
2x -2 = 4x -8
2x -4x = -8 +2
-2x = -6
2x= 6
x = $\frac{6}{2}$
x= 3