What is the result of subtracting the second equation from the first? \begin{aligned} -7x-y &= 0 7x+8y &= -6 \end{aligned} −7x−y=0 7x+8y=-6 =0 =−6

Step-by-step explanation:

We are given with two equations

first equation is  

second equation is

we find the result of subtracting two equation

subtract the second equation from the first, so

first equation - second equation, multiply second equation by -1  and then add it with first equation

Now add both equations, we get

i can answer this question sweetie!

step-by-step explanation:

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: