Equations Special Case

Solve:

5x + 4 = 5x − 3

• x = 4

• x = -3

• infinitely many solutions

• no solutions

Solve:

3(x − 2) = 3x − 6

• x = 6

• x = -6

• infinitely many solutions

• no solutions

Solve:

3x + 1 + 2x = 4x − 2 − 7x + 7

• x = 2

• x = ½

• infinitely many solutions

• no solutions

Tags

CCSS.8.EE.C.7A

What is the value of x if the perimeter of the triangle is 32 cm?

• x = 8

• x = 36

• no solution

• infinitely many solutions

Determine the type of solution:
4-2x = 2(x+4)

• one solution, x=-1
• one solution, x=3
• no solution
• infinite solutions

7x + 4 - 2x = 6(x + 1) - x

• no solution

• infinitely many solutions

• x = -1

• x = 4

3 + 12(3p + 2) = 9(p - 3)

• p = -20

• p = -13

• p = -2

• p = -18

2x + 3(5x - 7) = 47

• x = 1

• x = 2

• x = 3

• x = 4

Solve:

3(x − 2) = 3x − 6

• x = 6

• x = -6

• infinitely many solutions

• no solutions

6 = 1-2x + 5

• x = 1

• infinitely many solutions

• no solution

• x = 0