Emma is saving to buy av video game console that costs$249. she already saved$60 and b plans to save$22 per week. after how many weeks will she have saved enough money for the game?

Let w represent the number of weeks Emma saves her money. Then we want to find w for
  60 +22w ≥ 249
  22w ≥ 189 . . . . . . . . . subtract 60
  w ≥ 189/22 ≈ 8.591

Emma will have enough money after 9 weeks.

6x - 2 = -4x + 2
Spencer: 6x - 2 = -4x + 2       /+4x6x - 2 + 4x = -4x + 2 + 4x10x - 2 = 2
Jeremiah:6x - 2 = -4x + 2      /-6x6x - 2 - 6x = -4x + 2 - 6x-2 = -10x + 2
They both are correct. But in Jeremiah's version of solving the equation, we would have to multiply equation by -1, which we don't have to do in the Spencer's version.
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