Question

desigualdades lineales
1. 2x+1>5
2. 2x +1 ≤ 2 − x

3. 4 −3x > 4

4. 2(3−x) ≤ 5 − 4x​

Answer 1

Respuesta:

2x+1>5

3+>5

X=3/5

2x+1<2-x

3x<1

X=3/1

Answer 2

1. 2x+1>5

2x>5-1

2x>4

x>4/2

x>2

2. 2x +1≤ 2 − x

2x+x≤ 2-1

3x≤1

x≤1/3

3. 4 −3x > 4

-3x>4-4

-3x>0

x<0

4. 2(3−x) ≤ 5 − 4x​

6-2x≤ 5-4x

-2x+4x ≤5-6

2x≤-1

x≤-1/2