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mixas84 [53]
3 years ago
12

Does this equation had infinitely many solutions?2x + 1 = 5x + 2x - 1​

Mathematics
2 answers:
Oksana_A [137]3 years ago
6 0

Answer:

No.  The solution is x=\frac{2}{5}

Step-by-step explanation:

2x+1=5x+2x-1\\1=5x-1\\5x=2\\x=\frac{2}{5}

Kazeer [188]3 years ago
4 0

Answer:

one solution

Step-by-step explanation:

2x + 1 = 5x + 2x - 1​

Combine like terms

2x+1 = 7x-1

Subtract 2x from each side

2x-2x+1 = 7x-2x-1

1 = 5x-1

Add 1 to each side

1+1 = 5x-1+1

2 = 5x

Divide each side by 5

2/5 =5x/5

2/5 =x

There is one solution

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