Answer:
-3x-2y
Step-by-step explanation:
(-6x+3y)-(-3x+5y)
-6x+3x+3y-5y
-3x-2y
Answer:
Step-by-step explanation:
x = 1/2 ( a + b)
x = 1/2 (129 + 71)
x = 1/2 (200)
x = 100 °
you just have to remember that formula
Answer: yes
Step-by-step explanation:
2x+y=4 x=1 and y=2 2(1)+2=4
y=3x-1 3(1)-1=2