Answer:
If
and
, then 
Step-by-step explanation:
This is a problem that utilizes both substitution and the order of operations.

5x + 6 = 1
Subtract 6 from both sides.
5x = -5
Divide from both sides.
x = -1 (ANSWER)
hope this helps!!
Answer:
22
Step-by-step explanation:
Amount saved = $8 x 12 weeks
= $96
Amount to save = $250- $96
= $154
Amount per week= 154/7
= $22
Answer: B
Step-by-step explanation: