Question

how to work problem x-8=-9

Answer 1

Step 1: X -8 +8= -9 +8 (adding +8 to each side)
Step 2: X = -1 (-8+8=0, -9+8=-1)

Answer 2

x−8=−9

Add 8 to both sides.

x−8+8=−9+8

x=−1