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Solving One-‐Step Equations
Name: ____________________________________ Date: ______________________________ Which property of equality would you use to solve each equation? Why? 1) 3+ 𝑥 = −34 _______________________________ 2) 2𝑥 = 5 _______________________________ 3) 𝑥 − 4 = 9 _______________________________ 4) !
!= 9 _______________________________
Solve the equation and check your solution. 5) 6 = 𝑥 − 2 6) 27+ 𝑛 = 46 7) 23 = 𝑣 − 5 8) 4 = 𝑞 + 13 9) −17 = 3+ 𝐾 10) 𝐶 + 4 = −9 11) −67 = 𝑤 − 65 12) 𝑗 − 3 = −7
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Check: Check:
Check: Check:
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Solving One-‐Step Equations
13) 14) !! = −12 !
!! = −13
15) 16)
! !!
= 40 −8𝑛 = −64 17) 18) −7𝑦 = 28 −96 = 4𝑐 19) 20) −39 = !
! −5𝑏 = −145
Check: Check:
Check: Check:
Check: Check:
Check: Check:
Solving One-‐Step Equations
Define a variable and write an equation for each situation. Then solve. 21) You have a rack that can hold 30 CD’s. You can fit 7 more CD’s on the rack before the rack is full. How many CD’s are in the rack? 22) An online DVD rental company offers gift certificates that you can use to purchase rental plans. You have a gift certificate for $30. The plan you select costs $5 per month. How many months can you purchase with the gift certificate? 23) At a party of 102 people, 72 lb of potato salad is served. Write and solve an equation to find how many people each pound of potato salad serves.