137k views
1 vote
Solve for a. -23 + a - 12

2 Answers

4 votes
Here
-23+a-12
=-23-12+a
=-35+a
Therefore a+35 #
User Franki
by
5.3k points
4 votes

I think what was meant here was -23 + a = -12.


a = 11

To solve for a, let’s subtract -12 from -23:


-23 - (-12) = 11

a = 11


Let's plug 11 in for reassurance:


-23 + 11 = -12

a = 11

User Ludovic Ronsin
by
4.5k points