Question

Determine whether the given value of the variable is a solution of the equation

Answer 1

1. No

2. Yes

3. No

Explanation:

1.

We know that c = 7, so we plug it in to prove if the equation is true.

`7+8=15`

The variable is not a solution.

2.

We know a = 30, so we plug it in to prove if the equation is true.

`30-4=26`

The variable is a solution.

3.

We know y = 4.1, so we plug it in to prove if the equation is true.

`12.6-4.1=8.5`

The variable is not a solution.