Question

Consider the linear equation 3x + 2y = 15. When x = 1, what is the y-coordinate?

Answer 1

Answer:

When x=1 the y-coordinate is 6.

Step-by-step explanation:

The given linear equation is

$3x+2y=15$

We need to find the y-coordinate when x=1.

Substitute x=1 in the given equation, to find the y-coordinate.

$3(1)+2y=15$

$3+2y=15$

Subtract both sides by 3.

$3+2y-3=15-3$

$2y=12$

Divide both sides by 2.

$\frac{2y}{2}=\frac{12}{2}$

$y=6$

Therefore at x=1 the y-coordinate is 6.