2-step Equations (TEC-536)

Take out paper and solve: -5x + 3 = 23

Tags

CCSS.7.EE.B.4A

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

Solve  3x - 7 = 32

• 13
• -13
• 12
• -12

Tags

CCSS.7.EE.B.4A

Solve   -5t + 9 = 24

• -3
• 3
• 12

Tags

CCSS.7.EE.B.4A

Solve  12 - 6y = 24

• -1
• -2
• -3
• -4

Tags

CCSS.7.EE.B.4A

Figure out what n equals in this equation:
6n + 4 = -26

• n=-6
• n= -5
• n= 8
• n= -4

Tags

CCSS.7.EE.B.4A

Solve for s:

• s= 10

• s= -6

• s= 18

• s=-10

Tags

CCSS.7.EE.B.4A

• t = 20
• t = -20
• t = -40
• t = 40

Tags

CCSS.7.EE.B.4A

An electrician charges $90 per hour along with a $60 traveling fee.  If your bill was $600, write an equation that can be used to determine how many hours (h) it took the electrician to complete the job.

• 60 - 90h=600
• 90h + 60 = 600
• 60h + 90 = 600
• 60h - 600 = 90