18 = 10 + 2k
move 10 to the other side
sign changes from +10 to -10
18-10=10-10+2k
18-10= 2k
8= 2k
divide by 2 to get k by itself
8/2= 2k/2
Cross out 2 and 2 , divide by 2 and then becomes 1*1*k= k
k=8/2
Answer: k= 4
Answer:
Hello There!!
Step-by-step explanation:
1)x+3y+−3y=9+−3y
x=−3y+9
2)−2x+y+−y=−4+−y
−2x/-2=−y−4/-2
x=1/2 y+2
hope this helps,have a great day!!
~Pinky~
Answer:
for which question???????????????
Since they're both negative the answer is 7
