Question

solve 2(3b-4)=8b-11

Answer 1

6b - 8 = 8b - 11
11 - 8 = 8b - 6b
3 = 2b
b = 3/2 = 1.5

Answer 2

2(3b-4)= 8b -11
⇒ 2*3b -2*4= 8b -11 (distributive property)
⇒ 6b -8= 8b -11
⇒ -8+ 11= 8b -6b
⇒ 3= 2b
⇒ 3/2= b
⇒ 1.5= b

Final answer: b=1.5~