Answer:
This is the answer of your question ☺☺
Step-by-step explanation:
(x+7)2 -49=0
2x+14-49=0
2x-35=0
2x=35
x=17.5
I believe she messed up in Step 2, it wouldnt be 7/8 it would be 6/8
Answer:
x = 6
Step-by-step explanation:
3 (2x - 5) = 21
=> 6x - 15 = 21
=> 6x = 21 + 15
=> 6x = 36
=> x = 36 / 6
=> x = 6
OR
3 (2x - 5) = 21
=> 2x - 5 = 21 / 3
=> 2x - 5 = 7
=> 2x = 7 + 5
=> 2x = 12
=> x = 12 / 2
=> x = 6
Hope it helps :)
Please mark my answer as the brainliest
Answer:
BC is just 3d+7??
Step-by-step explanation: