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Cloud [144]
3 years ago
9

Help me please it is easy

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0
The answer is A 8983
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Could someone help me please ​
Alexxx [7]

1. 3x+9-9=18-9      

3x=9

x=3

2. 4x-12=20

4x-12+12=20+12

4x=32

x=8

3. x+0-0

x=0

4. x/2-2+2=9+2

x/2=11

(2)(x/2)=11(2)

x=22

5. 12x-21=3

12x-21+21=3+21

12x=24

x=2

6. 3x-15=18

3x-15+15=18+15

3x=33

x=11

7. 3x-25=14

3x-25+25=14+25

x=13

8. 3x+16=22

3x+16-16=22-16

x=2

9. 2x-8=2

2x-8+8=2+8

2x=10

x=5

10. 9x-18=9

9x-18+18=9+18

9x=27

x=3

11. x+0=0

x=0

12. 9x-8=19

9x-8+8=19+8

9x=27

x=3

If  you want to check my answers

use substitution method by using the x into for each equation.

7 0
2 years ago
Read 2 more answers
Find the percent increase. Round to the nearest percent
Dmitrij [34]
The percent increase is 18.18 repeating
6 0
2 years ago
I need to get to the k nd the median score pls.
Paul [167]

Answer: if you are going for the top it is 5 for 5e bottome it is 3 for all it is 3.5

Step-by-step explanation:

5 0
3 years ago
--
olga_2 [115]

Answer:

where is the equation please put it

4 0
3 years ago
How Do you evaluate -11
vesna_86 [32]
You find its absolute value which is 11

7 0
3 years ago
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