56.8k views
0 votes
Solve for x

-x + 1 = x + 21

User JohnyL
by
7.2k points

1 Answer

3 votes

Answer:

x=-10

Explanation:

first put "x" on one side and the constants on the other

the equation becomes 2x=-20 or -2x=20

both cases divide by 2 and the answer becomes x=-10

or if you end up with -x=10 just multiply by -1 and it ends up the same

User Cwbutler
by
7.0k points