2 numbers exact between 3 and 567 are 7 and 243
Answer:
x=-11
y=-1
Step-by-step explanation:
x=4y-7
2x+9y=-31
2(4y-7)+9y=-31
8y-14+9y=-31
17=-31+14
17y=-17
y=-1
x=4(-1)-7
x=-11
Answer:
-21
Step-by-step explanation:
to solve this problem,
replaced the variable x with -2
f(-2) = 10(-2) - 1
multiply 10 and -2
-20 -1
add the value of -1 and - 20
rules of integers
-21
the answer is
f( -2) = -21
