Answer:
x = 1, y = 2
Step-by-step explanation:
x + y = 3 => 2x + 2y = 6
2x + 3y = 7
-)2x + 2y = 6
=> y = 1, x = 2
c
a Step-by-step explanation:
-144
because the is an odd number of - the product will be a negative
(−2)(4)(−6)(−3)
(-8)(18)
= -144
hope this helps