Question

if x-1=2,then 2x-4=??​

Answer 1

Step-by-step explanation:

x-1=2

=>x=2+1

=>x=3

2x-4

=2×3-4

=6-4

=2

Answer 2

Answer:

x-1=2

x=2+1

x=3

2x-4=2×3-4

=6-4=2