[size=100][math]5-x=8[/math][/size]

[size=100][math]-1=x-2[/math][/size]

[size=100][math]-3x=9[/math][/size]

[size=100][math]-10=-5x[/math][/size]

[size=100][list=1][*]With your partner, select a card and choose who will take the first turn.[/*][*]During your turn, decide what the next move to solve the equation should be, explain your choice to your partner, and then write it down once you both agree. Switch roles for the next move. This continues until the equation is solved.[/*][*]Choose a second equation to solve in the same way, trading the card back and forth after each move.[/*][/list][br]For the last two equations, choose one and solve it. Show your work below. Then, trade with your partner you finish to check one another's work. [/size]

[list][*]Triple the number[/*][*]Subtract 7[/*][*]Double the result[/*][*]Subtract 22[/*][*]Divide by 6[/*][/list][size=150][size=100]Clare says she now has a -3. Tyler says her original number must have been a 3. How did Tyler know that?[/size][/size]

Explain or show your reasoning.