1)
0.25x - 1 < 0.7x > 1.4
Rearrange the first equation0.25x < x < 4
Solve the second equation0.7x > 1.x > 2
So the solution is x < 4 and x > 2, or 2 < x < 4.
2)
1.2x + 3.6 >_ 0.8x - 4 < 0
Rearrange the first equation1.2x > -3.x > -3
Solve the second equation0.8x < x < 5
So the solution is x > -3 and x < 5.
1)
0.25x - 1 <
0.7x > 1.4
Rearrange the first equation
0.25x <
x < 4
Solve the second equation
0.7x > 1.
x > 2
So the solution is x < 4 and x > 2, or 2 < x < 4.
2)
1.2x + 3.6 >_
0.8x - 4 < 0
Rearrange the first equation
1.2x > -3.
x > -3
Solve the second equation
0.8x <
x < 5
So the solution is x > -3 and x < 5.