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KiRa [710]
3 years ago
14

If x = -2, then 2x = -4.

Mathematics
2 answers:
Anika [276]3 years ago
6 0

Answer:

I think it's either C or D

Hitman42 [59]3 years ago
4 0
I feel both A and C are reasonable explanations
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What is the justification for each step in solving the inequality? 3x+1/2<−x+4 Select from the drop-down menus to correctly j
patriot [66]

Answer:

see below

Step-by-step explanation:

(3x+1)/2<−x+4

Multiply each side by 2 using the multiplication property of equality

3x+1 < -2x +8

Subtract 1 from each side using the subtraction property of equality

3x < -2x+7

Add 2x to each side using the addition property of equality

5x < 7

Divide each side by 5 using the division property of equality

x < 7/5

3 0
3 years ago
Read 2 more answers
1. Solve the equations below.
Sergio039 [100]

Step-by-step explanation:

A) 3x + 8 = 23

3x = 23 - 8

3x = 15

x = 15 / 3 = 5

B) 5x + 1 = 3x + 17

5x - 3x = 17 - 1

2x = 16

x = 16 /2 = 8

C) 4 (x+2) = 32

4x + 8 = 32

4x = 32 - 8

4x = 24

x = 24 / 4 = 6

7 0
3 years ago
A cube has a height of 7 cm. What is the volume of the cube?
WITCHER [35]

Answer:

343

Step-by-step explanation:

if you have a cube, then the volume is one of the sides cubed, or to the third power. 7^3 can be represented as 7*7*7, or 7x7x7, which is 343.

Brainliest

4 0
2 years ago
How many calories are needed to raise the temperature of 10 grams of water by 10 degrees Celsius?
max2010maxim [7]
(B) 10 cal im pretty sure can i please have brainiest answer
4 0
3 years ago
Help me please and D. Is 32
natulia [17]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
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