Solving equations with one variable

Mathematically, what is the 10 doing to the x?

10x = 90

• Adding 10

• Subtracting 10

• Multiplying 10

• Dividing 10

Tags

CCSS.HSA.REI.A.1

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

How would you solve this equation: 9x=153?

• add 9 to both sides

• subtract 9 from both sides

• multiply 9 to both sides

• divide 9 from both sides

Tags

CCSS.6.EE.B.7

7x - 4 = 5x + 4

• x = 0
• x = 4
• x = 2
• x = 8

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

6x + 2 = 5x + 7

• x = 5
• x = -1
• x = -5
• x = 8

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

2+14a=-8+9a

• a = 2
• a = -2
• a = ⁶⁄₅
• a = 1

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

-8-5a=12-9a

• a = 5
• a = 1
• a = -2
• a = -1

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

(²⁄₃)a+1=16-a

• a = 0
• a = 9
• a = 22.5
• a = -3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

7(p + 9) = -21

• -12
• 1
• -7
• -11

Tags

CCSS.7.EE.B.4A

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1

Tags

CCSS.8.EE.C.7B