Someone help me asap)

What is the coefficient of the variable in the expression 4 − 3x − 7 + 6?

A) -7
B) -3
C) 4
D) 6

B) -3

Step-by-step explanation:

The coefficient is the numerical value placed before and multiplying the variable (x).

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

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