Pre-Algebra Final Review

6 + y = -8

• 14

• -14

• -2

• -3

Tags

CCSS.6.EE.B.7

–13c = –52

• -4.5

• 676

• 4

• -676

Tags

CCSS.6.EE.B.7

–24 – a = –15

• 9

• -39

• 39

• -9

Tags

CCSS.7.NS.A.1B

12 – 3x = 6

• 6

• -6

• 2

• -2

Tags

CCSS.7.EE.B.4A

5c – 15 = 2c + 6

• 7

• -3

Tags

CCSS.8.EE.C.7

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

• 6=6 infinite solutions

• 18≠9 no solution

• 9 ≠ 8 no solution

• x= 6 one solution

Tags

CCSS.8.EE.C.7A

4 (x + 4) = 2 (2x +8)

• 8 ≠ 10 no solution

• x = 16

• 4=4 infinite solutions

• 16=16 infinite solutions

Tags

CCSS.8.EE.C.7A

Translate into an equation:

One less than 4 times a number is 11

• 1-4n=11

• 4n-11=1

• 1-11=4n

• 4n-1=11

Tags

CCSS.8.EE.C.7

Translate into an equation:

Twice a number decreased by 5 is 7 more than the number.

• 5 - 2n = 7 + n

• 2n - 5 = 7 + n

• 5 - 2n = n +7

Tags

CCSS.8.EE.C.7

Solve: 7x – 4y = 34

for y when x = 2

• x= 5

• x = -5

• y=5

• y=-5

Tags

CCSS.8.EE.C.7