Answer:If you have to calcualte the ,,b" this way you have to solve it!
Step-by-step explanation:
2b+8-5b+3=-13+8b-5
Bringing there the ,,8b" with the contrast foreshow--->-3b+11=-18+8b
-3b-8b=-18-11
-11b=-29|*(-11)
b=29/11
