Question 763374
2x+3/3x+4=7/10 
Cross multiply
10(2x + 3) = 7(3x + 4)
 20x + 30 = 21x + 28
Collect like terms
20x - 21x = 28 - 30
      -x = -2
       x = 2
Proof:
2x+3/3x+4=7/10 
2(2) + 3/3(2) + 4 = 7/10
       7/10 = 7/10
Hope this helps.
:-)