Solving Word Problems With Variables On Both Sides

After paying $5.12 for a salad, Kamauri has $27.10. How much money did he have before buying the salad?

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

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CCSS.HSA.CED.A.3

In this soccer season, Emma has scored 1 more than twice the number of Nick's goals.  If Emma has scored 15 goals, which equation can be used to find x, the number of Nick's goals?

• x - 15 = 1

• x + 1 = 15

• 2x + 1 = 15

• x + 1 = x + 15

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CCSS.HSA.CED.A.3

Daniel is paid $10 per week for selling newspaper subscriptions.  He is also paid $3.50 for each new customer (x) that signs up for the subscription.  Which equation represents the amount (y) Daniel earns  per week?

• y = 3.5x

• y= 10 + x

• y = 10 + 35x

• y = 10 + 3.5x

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Look at the work. What SHOULD have been the first step?

• It's correct!

• Subtract 1 on both sides

• Add 5 on both sides

• Divide by 3 on both sides

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CCSS.HSA.REI.A.1

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CCSS.6.EE.B.7

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CCSS.8.EE.C.8C

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CCSS.7.EE.B.4A