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Which statement is true about the solutions for the equation 3y + 4 = −2?

It has no solution.
It has one solution.
It has two solutions.
It has infinitely many solutions.

Which statement is true for the equation 5n − 4 = 5n − 3?

It has infinitely many solutions.
It has two solutions.
It has one solution.
It has no solution.

Respuesta :

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Answer:

A: I think it only has 1 solution because y=-2

B: it has no solution

Step-by-step explanation:

Answer:

1. It has one solution.

2. It has no solution.

Step-by-step explanation:

1.

The given equation is

[tex]3y+4=-2[/tex]

Subtract 4 from both the sides.

[tex]3y=-2-4[/tex]

Divide both sides by 3.

[tex]y=\frac{-6}{3}[/tex]

[tex]y=-2[/tex]

Therefore this equation has only one solution.

2.

The given equation is

[tex]5n-4=5n-3[/tex]

Subtract both sides by (5n-3).

[tex]5n-4-5n+3=0[/tex]

[tex]-1\neq 0[/tex]

LHS is not equal to RHS for any value of n, therefore this equation has no solution.

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