Answer:

Step-by-step explanation:
So we have the equation:

First, distribute the 7 into the (x+8) and simplify:

Combine the like terms 7x and 8x by adding them together:

Subtract 56 from both sides to isolate the x:

Divide both sides by 15 to get x:

There is no solutions, I think you got the signs mixed up.
Answer:
Lauren
- 220
- 440
- 660
- 880
- 1100
- 1320
Harold
- 110
- 220
- 330
- 440
- 550
- 660
Step-by-step explanation:
Multiply values by the number of months.
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-Chetan K

LCM = 5 × 3 × 3 × 7 × 2 × 2 × 5
LCM = 6300
<u>Hence, the LCM of 315 , 420 , 525 is 6300</u>