Question

Find w(x)=-2x+7 and value of x for w(x)=-3

Answer 1

x = 5

Explanation:

given w(x) = - 2x + 7 and w(x) = - 3

then equating the right sides of w(x)

- 2x + 7 = - 3 ( subtract 7 from both sides )

- 2x = - 10 ( divide both sides by - 2 )

x = 5