Question

What is the solution set of the following equation?

-8x + x + 15 = -7x + 12

A) Ø
B) (1/7)
C) (all reals)

Answer 1

the solution to this problem is A.

Answer 2

Option A)
`\phi` is the solution set for given equation.

Explanation:

We are given the following equation in the question:

`-8x + x + 15 = -7x + 12`

Solving the given equation, we have:

`-8x + x + 15 = -7x + 12\\-7x + 15 = -7x + 12\\-7x + 7x + 15 = -7x + 7x + 12\\15 = 12\\\text{which is never possible}`

Hence the given equation has no solution.

Thus, the solution set can be represented by a null set which can be represented as
`\phi`

Option A)
`\phi` is the solution set for given equation.