Solving equations for real-life situations

-3(2c-5)=15

• -5
• 5
• 0
• 6

Tags

CCSS.7.EE.B.4A

Solve:

2x + 1 = 2x - 1

• No Solution

• x = 0

• Infinitely Many Solutions

• x = 2

• x=1/2

2x-(3+4x)=11

• -4

• 7/3

• -7

• -17/8

Tags

CCSS.8.EE.C.7B

After paying $5.12 for a salad, Kamauri has $27.10.Which equation represents this situation?

After you have identified the equation , solve it on your HW paper.

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear. They sell the teddy bears for $12 a piece. Which equation could be used to find the number of bears t the company has to sell in one day to equal its daily cost?

After you have identified the equation , solve it on your HW paper.

• 1500 + 8t = 12

• 12 + 8t = 1500

• 1500 + 8t = 12t

• 8t = 12t + 1500

For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?

After you have identified the equation , solve it on your HW paper.

• 4x=472

• 9x=472

• 4+9x=472

• 4+x=472

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?

After you have identified the equation , solve it on your HW paper.

• x - 15 = 1

• x + 1 = 15

• 2x + 1 = 15

• x + 1 = x + 15

Lance is buying new things for his room. He wants some posters and a new rug. He spent $44.50 total. If the rug costs $27 and the posters cost $2.50 each, how many did he buy?

After you have identified the equation , solve it on your HW paper.

• 44.5 = 2.5x - 27

• 44.5 - 2.5 = 27x

• 27x + 2.5 = 44.5

• 2.5x + 27 = 44.5

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. Which equation matches this situation?

After you have identified the equation , solve it on your HW paper.

• 50 + 20m = 290

• 20 + 50m = 290

• 50 + 20 = m

• 50m - 20 = 290

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Her total expense is $35 in all.

After you have identified the equation , solve it on your HW paper.

• .50x + 20 = 35

• .50x = 35

• .50 + 20x = 35

• .50x - 20 = 35