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Substitute - 3 for w(x).
x=5
To find the value of x that will make the function equal to - 3, we will substitute - 3 for w(x) into the given function rule. Then we can solve for x.
w(x)= - 3
LHS-7=RHS-7
.LHS /(- 2).=.RHS /(- 2).
Rearrange equation
When x=5, the function equals -3.
x= 5
Multiply
Add terms
When x=5, w(x)=-3, so our solution is correct.
