Caranya (x+3):5=63:45

(x+3) = 63
   5       45

x+ 3 = 63 x 5
              45

x + 3 = 63 : 9
x + 3 = 7
x = 7 - 3
x = 4

[tex] \frac{(x+3)}{5} = \frac{63}{45} [/tex]
45(x+3)=5 x 63
45x+135=315
45x=315-135
45x=180
x=180/45
x=4