Foundations of Math 1 Solving equations practice

Solve the following equation,
3x + 6 = 21

• x = 9
• x = 5
• x = 15
• x = 27

Tags

CCSS.7.EE.B.4A

5(2x - 7) = 80

• x = 11.5
• x = 115
• x = 12
• x = 16

Tags

CCSS.7.EE.B.4A

Solve:
7x - 3x - 8 = 24

• 8
• -8
• 3.2
• 4

Tags

CCSS.8.EE.C.7B

Solve:
7x + 19 = -2x + 55

• 4
• 14.8
• 8.2
• -4

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Solve the equation:
^x/₃+ 10 = 15

• 75
• 15
• 25
• 5

Tags

CCSS.7.EE.B.4A

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

Solve:
2(4x - 3) - 8 = 4 + 2x

• x = 5/3
• x = 3
• x = 1
• x = 2

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve the following equation:

 $81=8x-7$  
You only need to write the number. 

Tags

CCSS.7.EE.B.4A

 $7\ -\ 9x\ =\ -11$  

Tags

CCSS.7.EE.B.4A

 $6\ =\ -3\left(x+2\right)$  

Tags

CCSS.7.EE.B.4A