xWrite the equation so that y is a function of x. -9x + 3y =18
Reiny is wrong
The answer is y=3x+6
You're Welcome for giving you the answer 10 years later.
To write the equation so that y is a function of x, let's isolate the y term on one side.
Starting with -9x + 3y = 18:
1. Subtract -9x from both sides to move the x term to the right side of the equation:
3y = 18 + 9x
2. Simplify the right side:
3y = 9x + 18
3. Divide both sides of the equation by 3 to solve for y:
y = (9x + 18)/3
Therefore, y is a function of x and can be written as y = (9x + 18)/3.
To rewrite the equation so that y is a function of x, we need to solve for y.
Let's start by isolating the term with y on one side of the equation:
-9x + 3y = 18
We want to move the -9x term to the other side of the equation, so let's add 9x to both sides:
-9x + 3y + 9x = 18 + 9x
On the left side, the -9x and +9x will cancel each other out, leaving us with:
3y = 18 + 9x
Lastly, we divide both sides of the equation by 3 to solve for y:
(3y) / 3 = (18 + 9x) / 3
Simplifying gives us the equation:
y = (18 + 9x) / 3
Therefore, y is a function of x given by y = (18 + 9x) / 3.
9x + 3y =18
3y = -9x + 18
y = -3x + 6
usually takes 2 steps.
1. leave the y term on the left, take everything else to the right
2. divide each term by the coefficient of the y term.