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2-step Equations Reg
供稿人: Walker
Solve the following equation: 
2x + 4 = 16
 x = 10
 x = 6
 x = 2
 none of these
 first subtract 4 from both sides of the equation then multiply by 1/5 on both sides of the equation
Which one shows the steps for solving this equation? 1/5x + 4 = -2
first subtract 4 from both sides of the equation then divide by 1/5 (or multiply by its reciprocal 5/1) on both sides of the equation. 
first divide by 5 on both
sides of the equation
 then subtract 4 from
 both sides of the equation
first add 10 to both sides then multiply by -7 onboth sides; solution is -196
Which one describes how to solve this equation?   -7x -10 = 18
first add 10 to both sides of the equation, then divide by -7 on both sides; solution is -4
first add -10 to
 both sides  then divide
 by -7 on both sides; solution is 8/7

Paul joins a gym.  The gym cost $20 a month 

plus a membership fee of $50.  If Paul paid $270,

how many months has he been a member 

of the gym?


20(m + 50) = 270; 8 months
m(20 + 50) = 270; almost 4 months
 20m + 50 = 270;11 months

John wants to have a paintball party. 

 The arena cost $100 to rent and 

then there is a $20 charge per person. 

 Write and solve an 

equation to show how many people

attended if John’s party cost $300.

120p = 300; 2.5 people
100 + 20p = 300; 10 people
100p + 20 = 300; 3 people

The carnival has a $5 entrance fee and then charges $1.50 per ride. If Sue went to the carnival and spent $44.00, write and solve an equation to show how many rides Sue rode.

1.50r + 5 = 44; 26 rides
5(1.50) + r = 44; about 36 rides
5r + 1.50 = 44; 8.5 rides
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