233k views
4 votes
Help plz:

13. Solve the following inequalities:
a. 3x - 3 > 6
b. 24x + 4 < 52
c. -2x - 2 < 8
d. 10x - 100 > 0

2 Answers

5 votes

Answer:

a. = x > 3

b. = x < 2

c. = x > -5

d. = x > 10

Explanation:

Solve means to find x.

a.

3x - 3 > 6

+3 each side

3x > 9

Divide by 3 each side

x > 3

b.

24x + 4 < 52

-4 each side

24x < 48

Divide by 24 each side

x < 2

c.

-2x - 2 < 8

+2 each side

-2x < 10

Divide by -2 each side (Causing the inequality sign to flip, dividing or multiplying by a negative causes it to.)

x > -5

d.

10x - 100 > 0

+100 each side

10x > 100

Divide by 10 each side

x > 10

User JR Tan
by
3.5k points
0 votes

Answer:


3x - 3 > 6\\= 3x - 3\\=0x\\0x < 6\\\\24x + 4 = 28x\\28x < 52\\\\-2x - 2 < 8\\= -2x - 2\\= -4x\\-4x < 8\\\\10x - 100 > 0\\= 10x - 100 \\=-90x\\-90x > 0<---- Why is -90x greater than 0?

because 90x > 0.

Explanation:

hope this helped.

User Rasha Elsayed
by
3.3k points