Question

21x/2 = 2(x-1)+3

I need this quick if that’s ok

Answer 1

step-by-step answer:

21x/2=2x+1

multiply both sides by 2

21x/2 · 2=2x·2+1·2

simplify

21x=4x+2

subtract 4x from both sides

21x- 4x=(4x)+2-(4x)

divide both sides by 17

17x=2

17 17

simplify

x=2/17