Chapter 7 Review

y is equal to twice a number x

• y = 2 + x

• x = 2 + y

• y = 2x

• x = 2y

Tags

CCSS.6.EE.C.9

you can travel a total of y miles if you travel x miles per hour for 6 hours.

• y = 6x

• y = x + 6

• x = 6y

• x = 6 + y

Tags

CCSS.6.EE.C.9

y is equal to x increased by 4

• y = x + 4

• x = y + 4

• y = 4x

• x = 4y

Tags

CCSS.6.EE.C.9

The sisters ages together are y years. One sister is 8 years old and the other is x years old. Write an equation to expressing this relationship.

• y = 8x

• y = x + 8

• x = 8y

• x = 8 + y

Tags

CCSS.6.EE.C.9

y is equal to the sum of x and -2

• y = -2x

• y = x + -2

Tags

CCSS.6.EE.C.9

y is equal to the product of 4 and x

• y = x + 4

• y = 4x

Tags

CCSS.6.EE.C.9

y = x decreased by -4

• y = -4x

• y = -4 + x

• y = x - 4

• y = x + 4

y is 6 more than a number x

• y = 6x

• y = x + 6

Tags

CCSS.6.EE.C.9

The sum of x and ten is twenty.

• x - 10 = 20

• x + 10 = 20

• x + 10 = 25

• 10x = 20

Tags

CCSS.6.EE.B.7

The sum of 6 and a number is 5 less than forty.

• 6 + x = 5 - 40

• 6x = 40 - 5

• 6 + x = 40 - 5

• 6 + x = 45

Tags

CCSS.HSA.CED.A.3