How many solutions does the equation have?

- 3|w| + 9 = 9 no solution one solution two solutions

1 answer

The equation -3|w| + 9 = 9 can be simplified to -3|w| = 0.

If -3|w| = 0, then |w| = 0, since multiplying by -3 on both sides does not change the equation.

The only value for w that satisfies |w| = 0 is w = 0.

Therefore, the equation has one solution, w = 0.