21v + 8 - 12v - 7 + 3t - 1t = (combine like terms)
9v + 2t + 1 <==
X=3.2 I believe that's your answer
Answer:
2x +3x =7-13=4+8
Step-by-step explanation:
5x= -6= 12
Take y=3 and plug it into y=-3x+6. This gives you 3=-3x+6. Solve for x, you get x=1. Now plug 1 into y=-3x+6 and you get 3. Answer is (1,3)
SD would be = 3.6324 look at the picture