Answer:
x = 2.5
Explanation:
- 2x - ( - 5 - 4x ) = - 5 ( 2x - 7 )
- 2x + 5 + 4x = - 10x + 35
- 2x + 5 + 4x = - 10x + 35
- 2x + 4x + 10x = 35 - 5
12x = 30
x =
= 2.5
Check the answer:
L.H.S. = - 2(2.5) - [ - 5 - 4(2.5) ] = 10
R.H.S. = - 5 [ 2(2.5) - 7 ] = 10