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Svetllana [295]
3 years ago
5

-3x+20+7x=80 what is x? and how do I get it?

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0

Answer:

x = 15

Step-by-step explanation:

-3x+20+7x=80

Combine like terms

4x+20 = 80

Subtract 20 from each side

4x+20 -20 = 80-20

4x = 60

Divide by 4

4x/4 = 60/4

x = 15

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