7th Grade Math: Equations

14+3x=26

• x=6
• x=1
• x=4
• x=3

Tags

CCSS.7.EE.B.4A

82=15x-23

• x=9
• x=7
• x=6
• x=4

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

-9x×3=135

• x=-5
• x=8
• x=-11
• x=15

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

(8x-24)÷4=-12

• x=-9
• x=-3
• x=2
• x=4

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Six friends went to lunch. They tipped the waiter 17% of their check and split the bill. If each friend paid ten dollars and sixty-three cents, how much was their meal before the tip? Round to the nearest hundredth.

• $36.63
• $54.51
• $84.72
• $62.33

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.2

CCSS.6.NS.B.3

3x+7=-6x-56

• x=-7
• x=-5
• x=3
• x=7

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

14x+2-7x=37

• x=8
• x=-2
• x=5
• x=3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

13x+9=(1+7x)2

• x=-3
• x=2
• x=7
• x=15

Tags

CCSS.8.EE.C.7B

9+5x=-17-8x

• x=9
• x=5
• x=-2
• x=-6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

You just got a new phone and now you need to get a phone plan. One company offers a flat fee of forty dollars a month for unlimited calling and texting. Another company offers fifteen dollars a month with unlimited texting, but you have to pay 5¢ for every minute you're on the phone. How many hours can you talk on the phone until both plans cost the same?

• 8 1/3 hours
• 7 2/5 hours
• 9 1/2 hours
• 6 9/10 hours

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.RP.A.3