Answer:
3x-5=2x+3-(x-4)
first deal with the bracket first. multiply -1 by x and -4.
3x-5=2x+3-x+4
group like terms that is sort them according to the letters.
3x+x-2x=3+4+5
4x-2x=12
2x=12.divide both sides by 2.
2x=12
2 2
x=6
