Answer:
The value of the given expression -9w+9 when w=15 is -126
Step-by-step explanation:
Given expression is -9w+9
To find the given expression when w=15:
That is put w=15 in the given expression we get
-9w+9=-9(15)+9
=-135+9 ( adding the like terms )
=-126
Therefore the value of the given expression -9w+9 when w=15 is -126