How many solutions are there to the problem x equals -5y plus 5?

Answer 1

Infinitely many.

The solution is a pair of numbers ... one number for 'x' and one number for 'y' ...

that makes the statement [ x = -5y + 5 ] a true statement.

There are an infinite number of those pairs.

The graph if this equation is a straight line, and every point on the line is a solution to the equation.

Here are a few of them:

. Y . . . X .

-3 . . . . 20

-2 . . . . 15

-1.27 . . 11.35

-1 . . . . 10

0 .. . . . . 5

1 .. . . . . 0

2 . . . . . -5

3 .. . . . -10

4 .. . . . -15

4.73 . . -18.65