asked 181k views
5 votes
Is -3 a solution for the equation 2x + 4=2

1 Answer

5 votes
No.

Let's solve the equation.

2x = 2-4

2x = -2

2x/2 = -2/2

x = -1

The only solution is -1

If you substitute -3 to x

2(-3) + 4 = 2

-6 + 4 = 2

-2 = 2 (so not true)

If we substitute -1

2(-1) + 4 = 2

-2 + 4 = 2

2 = 2
answered
User Alex Nuts
by
8.0k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.