Bonjour,
b. x + 1 < 5x + 3
x - 5x < 3 - 1
- 4x < 2
x > - 2/4
x > - 1/2
c. 5 + 4y ≤ 8 + y
4y - y ≤ 8 - 5
3y ≤ 3
y ≤ 3/3
y ≤ 1
c. 2x - 2 > 3 - 4x
2x + 4x > 3 + 2
6x > 5
x > 5/6
d. - 6y - 5 ≥ 6 - 2y
- 6y + 2y ≥ 6 + 5
- 4y ≥ 11
y ≤ - 11/4
e. 7y + 5 > - 2y + 2
7y + 5y > 2 - 5
12y > - 3
y > - 3/12
y > - 1/4
f. - 5 - 3y ≤ 6 + y
- 3y - y ≤ 6 + 5
- 4y ≤ 11
y ≥ - 11/4.
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Bonjour,
b. x + 1 < 5x + 3
x - 5x < 3 - 1
- 4x < 2
x > - 2/4
x > - 1/2
c. 5 + 4y ≤ 8 + y
4y - y ≤ 8 - 5
3y ≤ 3
y ≤ 3/3
y ≤ 1
c. 2x - 2 > 3 - 4x
2x + 4x > 3 + 2
6x > 5
x > 5/6
d. - 6y - 5 ≥ 6 - 2y
- 6y + 2y ≥ 6 + 5
- 4y ≥ 11
y ≤ - 11/4
e. 7y + 5 > - 2y + 2
7y + 5y > 2 - 5
12y > - 3
y > - 3/12
y > - 1/4
f. - 5 - 3y ≤ 6 + y
- 3y - y ≤ 6 + 5
- 4y ≤ 11
y ≥ - 11/4.