Answer:
5:7
Step-by-step explanation:
![\frac{30}{42} = \frac{15}{21} = \frac{5}{7} \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B30%7D%7B42%7D%20%20%3D%20%20%5Cfrac%7B15%7D%7B21%7D%20%20%3D%20%20%5Cfrac%7B5%7D%7B7%7D%20%20%5C%5C%20)
5:7
Answer:
pretty sure it's 4x+4y however I'm not 100 percent sure
Answer:
-2
Step-by-step explanation:
x + 3 = -(x + 1)
open the bracket
x + 3 = -x -1
x+x= -1-3
2x= -4
X = -4/2= -2
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