Answer:
x + 10 = 4x
Step-by-step explanation:
Let x = her age 10 years ago.
Her age now is x + 10.
x + 10 = 4x
Answer: 36
Step-by-step explanation:
1) substitute x for 6
get f(-5)=6(1--5)= 6+30=46
Answer:
y=6
Step-by-step explanation:
12.5×12.5 will give u 42 an if u add it u will get 25
(x-3)=-3x+25
Because we know that y=x-3 so we put that in place of y in the equation