Answer:
x = -7
Explanation:
1 Regroup terms.
-2x+1=8-x−2x+1=8−x
2 Add 2x2x to both sides.
1=8-x+2x1=8−x+2x
3 Simplify 8-x+2x8−x+2x to 8+x8+x.
1=8+x1=8+x
4 Subtract 88 from both sides.
1-8=x1−8=x
5 Simplify 1-81−8 to -7−7.
-7=x−7=x
6 Switch sides.
-7 = x
x=−7
Hope this helps!
-Jerc