-4x + y = 6
-5x - y = 21
add both of them
-9x = 27
x = -3
(-4*-3) + y = 6
-12 + y = 6
y = 18
Answer:
Step 1: Make sure the polynomial is written in descending order. If any terms are missing, use a zero to fill in the missing term
Answer:
800+200
Step-by-step explanation:
Step-by-step explanation:
3 more than twice n = 3+2n
3 more than twice n is atmost 50,
=> 3+2n <= 50 {(3+2n) is less than or equal to 50}
Answer:
13.5
Step-by-step explanation:
