Is a Value a Solution to an Equation

Solve:

5x + 4 = 5x − 3

• x = 4

• x = -3

• infinitely many solutions

• no solutions

2y − 3 = 2y − 3

• y = 0

• y = -3

• infinitely many solutions

• no solutions

Solve:

4x + 1 = 8x − 3

• x = 1

• x = 2

• infinitely many solutions

• no solutions

Solve:

3(x − 2) = 3x − 6

• x = 6

• x = -6

• infinitely many solutions

• no solutions

Tell whether the value of the variable is a solution to the equation:

3x=12; x=4

• yes

• no

Is x = 12.5 a solution for the following equation?  Does the value make the equation equal on both sides(balanced)?  Show if it is equal or not.

x + 23.7 = 25.2

• Yes it is balanced

• No, it is not balanced

Is y = 4 a solution for the following equation?  Does the value make the equation equal on both sides(balanced)?  Show if it is equal or not.

16y = 64

• Yes it is balanced

• No, it is not balanced

Is x = 4 a solution to the equation:

3x=12

• yes

• no

Is n=5 is a solution to the equation

7 = 13 - n

• no

• yes

Tell whether the value of the variable is a solution to the equation:

7 = 13 - n; n=5

• no

• yes