Answer:
r=1
Step-by-step explanation:
3(2x-2)-r+3x=2(7x+1)-5x-9
6x-6-r+3x=14x+2-5x-9
9x-6-r=19x-7
-6-r=10x-7
-r=10-1
-r=9
-r/-1=9/-1
r/9=-9/9
r=1
Answer:2
Step-by-step explanation: 1+1=2
Answer:
8
Step-by-step explanation:
We could rearange the equation to for it to be 3 - (-5) = ? In this case we would add to get our missing number. Which would be 3+5=8. That is how we get 8 as our final answer and the answer for the blank.
5.495.............................
Answer: B
Step-by-step explanation:
-3(10x + 4y) + 6(6x - 2y)
= -30x - 12y + 36x - 12y
= 6x - 24y