x + x + 25 = 125
ta có : 2x + 25 = 125
2x = 125 - 25
2x = 100
x = 50
k mik nha
x + x + 25 = 125
=>2x+25=125
=>2x=125-25
=>2x=100
=>x=100:2
=>x=50
k nha
x+x+25=125
x+x=125-25
x+x=100
x=100:2
x=50
x+x+25=125
2.x+25=125
2.x =125-25
2.x =100
x =100:2
x =50
xx2=125-25
xx2=100
x=100:2
x=50
tk nhe@s@@@@@@@@@@
x+x+25=125
2.x+25=125
2.x =125-25
2.x =100
x =100:2
x =50
x + x + 25 = 125
x + x = 125 - 25
2x = 100
x = 100 : 2
x = 50
x + x + 25 = 125
x + x = 125 - 25
x + x = 100
2x = 100
x = 50
x + x + 25 = 125
x + x = 125 - 25
x + x = 100
2x = 100
x = 50