Answer:
1
Step-by-step explanation:
easy
Has to be the first one because Yk how they do it so yea
Answer:
90°
Step-by-step explanation:
90°
Answer: y=(-3x+7)/2
Isolate y.
2y= -3x+7
y= (-3+7)/2
Answer: x=(-2y+7)/3
Isolate x
3x=-2y+7
x=(-2y+7)/3
Answer: 6x+4y=14
Idk if that counts but multiply the whole equation by 2.
Answer: (-4) and 4
Step-by-step explanation: they are opposites