3x +6y = -42 in slope intercept form

y=-1/2x-7

Step-by-step explanation:

moved x over.      6y=-42-3x

divide by 6.           y=-7-1/2x

rewitre it                y=-1/2x-7

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: