Y=1/3x+4
x=-3y

please answer correctly

x = -6

y = 2

Step-by-step explanation:

y = (1/3)x + 4

x = (-3)y

We replace the x in the first equation with -3y, since the second equation states that x=-3y.

y=(1/3)(-3y) + 4

y= -y+4

y+y = 4

2y = 4

y=2

then we substitute the y in the second equation by 2.

x=-6

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w

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step-by-step explanation:

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