x + 21 = 36
Subtract 21 from each side:
x = 15
Wiki User
∙ 2010-03-17 02:50:34x + 36 = 82x = 82 - 36x = 46
x = 4
If: x+9+5x = 21+2x Then: x = 3
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
3x + 7 = -4x + 28 implies 7x + 7 = 28
x + 36 = 82x = 82 - 36x = 46
x = 4
16 + x = 36x = 36 - 16 = 2016 + 20 = 36
If: x+9+5x = 21+2x Then: x = 3
x2 + 10x + 21 = (x + 3)(x + 7)
x = plus or minus 6.
x = -13
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
3x + 7 = -4x + 28 implies 7x + 7 = 28
3
The value of x is -21.
21