Question

a) 2x+3=6x+4. b)7(x-1)-2x=3(x+1)-3(x-4)

Answer 1

a)2x+3=6x+4
   2x-6x=4-3
   -4x=1
    x=1/-4

b)7(x-1)-2x=3(x+1)-3(x-4)
   7x-7-2x=3x+3-3x+12
   7x-2x-3x+3x=12+3+7
   5x=22
   x=22/5