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BartSMP [9]
2 years ago
7

For my brother 2x-3+6x=21 X= what

Mathematics
2 answers:
eimsori [14]2 years ago
8 0

Answer:

Step-by-step explanation:

Simplifying

2x-3+6x=21  combine like terms

8x-3=21

Step 2

8x-3=21  Add 3 to the sides

8x=24

Step 3

8x=24  Divide the sides by 8

Your answer would be x=3

AnnZ [28]2 years ago
4 0

Answer:

3

Step-by-step explanation:

mhm for your brother

anyways...

2x-3+6x = 21

Adding like terms

8x -3 = 21

Adding 3 on both sides

8x = 24

Dividing both sides by 8

x = 3

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