2-3

3 more than 8 times a number is 19

• 8n=19+3

• 8n-3=19

• 8n+3=19

• $\frac{8}{n}$ +3=19

• 3n+8=19

Tags

CCSS.7.EE.B.4A

12 less than 7 times a number is 16

• 7n+12=16

• 7n-12=16

• 12-7n=16

• 12n-7=16

• 12n+7=16

Tags

CCSS.7.EE.B.4A

4 more than twice a number is -10

• 2n-10=4

• 4-2n=-10

• 4n-2=-10

• 2n+4=-10

Tags

CCSS.7.EE.B.4A

9 less than 5 times a number is -30

• 5n-9=-30

• 5n=-30-9

• 5n+9=-30

• 9-5n=-30

Tags

CCSS.HSA.CED.A.3

What are 3 consecutive integers whose sum is 57

• 57,58,59

• 16,17,18

• 18,19,20,

• 55,56,57

• 20,21,22

Tags

CCSS.8.EE.C.7B

Grandpa is 62 years old. If you double his age then subtract his daughter age you get 86. How old is his daughter?

Tags

CCSS.7.EE.B.4A

If you triple Misty's age then subtract 2 you get her mother's age of 31. What is Misty's age?

Tags

CCSS.7.EE.B.4A

5 times the sum of a number and 3 is 9

• 5x + 3 = 9

• 3 + 5 = 9x

• 5(x + 3) = 9

• 5 + 3x = 9

Tags

CCSS.HSA.CED.A.3

8 time the difference of a number and 7 is 4

• 8( x - 7 ) = 4

• 8x - 7 = 4

• 7 - 8x = 4

• 4 = 7( 8 - x)

Tags

CCSS.HSA.CED.A.3