(x+2)+x=9
x + 2 + x = 9
x + x = 9 – 2
2x = 7
x = 3.5
x+(7+x)=11
x + 7 + x = 11
x + x = 11 – 7
2x = 4
x = 2
x + 2x – 5 = 40
x + 2x = 40 + 5
3x = 45
x = 15
x+(4+x)+x=16
x + 4 + x + x = 16
x + x + x = 16 – 4
3x = 12
x = 4
(x+2)+x=9 x + 2 + x = 9 x + x = 9 – 2 2x = 7 x = 3.5 x + 2x – 5 = 40 x + 2x = 40 + 5 3x = 45 x = 15 x+(4+x)+x=16 x + 4 + x + x = 16 x + x + x = 16 – 4 3x = 12 x = 4
(x+2)+x=9
x + 2 + x = 9
x + x = 9 – 2
2x = 7
x = 3.5
x+(7+x)=11
x + 7 + x = 11
x + x = 11 – 7
2x = 4
x = 2
x + 2x – 5 = 40
x + 2x = 40 + 5
3x = 45
x = 15
x+(4+x)+x=16
x + 4 + x + x = 16
x + x + x = 16 – 4
3x = 12
x = 4
(x+2)+x=9 x + 2 + x = 9 x + x = 9 – 2 2x = 7 x = 3.5 x + 2x – 5 = 40 x + 2x = 40 + 5 3x = 45 x = 15 x+(4+x)+x=16 x + 4 + x + x = 16 x + x + x = 16 – 4 3x = 12 x = 4