You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.
Answer:
X is 83
Step-by-step explanation:
Subtract 180 because thats what all of them eaqual and you subtract 97 from 180
Answer:-αx-20=-14 --> 
4=
×+5 --> a=-6
7+2ax=13---> a=
Step-by-step explanation:
Answer:
4/3
Step-by-step explanation:
3y=4x-12
divide by 3 to isolate y
y=4/3x-4
slope is 4/3
