You add 6 to the numbers on the left so like it’s -8 on the left just add 6 so that’s -2 and so on
(6•x) + 7 = 8
6x + 7 = 8
6x = 1
X = 1
2 (5 - 8x) - 13 = 9 (1 - x) - 12
10 - 16x - 13 = 9 - 9x - 12
10 - 13 - 16x = 9 - 12 - 9x
- 3 - 16x = - 3 - 9x
- 3 + 3 = - 9x + 16x
0 = 7x
0/7 = x
0 = x
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Hope it helps ⚜
Answer:
Amount used by the end of the second week= $500-$375
=$125
Amount used by the end of the seventh week= $375-$100
=$275
Total amount spent= $275+$125
=$400
Rate of change= $ 500- $400
=$ 100
Step-by-step explanation: Hope this helps
The answer for your question 186.