Answer:
-1/3
Step-by-step explanation:
3x-2(4x+1)=10x+3
3x-8x-2=10x+3
-5x-2=10x+3
-5x-10x-2=3
-15x-2=3
-15x=3+2
-15x=5
x=5/-15
simplify
x=-1/3