Question

x+x/2=45 qualto é?
N sei fazer!!!

Answer 1

X + x + 45 ---- 2 MMC =2 2x+ x = 90 3x= 90 X= 30

Answer 2

x + x/2 = 45
2x/2 = 45
2x = 90
x = 90/2
x = 45