Enter the value of n so that the expression (ny+25.7)+(−45.2y+13.9) is equivalent to (−33.7y+39.6). n=
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Step-by-step explanation:

Given:

The two expressions are:

If the above 2 expressions are equivalent, then the coefficients of should be equal for both the expressions.

The coefficient of in the first expression is:

.

The coefficient of in the second expression is:

.

Therefore,

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5