Q: What is x plus 21 equals 36?

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x + 36 = 82x = 82 - 36x = 46

x = 4

If: x+9+5x = 21+2x Then: x = 3

x2 + 10x + 21 = (x + 3)(x + 7)

3x + 7 = -4x + 28 implies 7x + 7 = 28

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x + 36 = 82x = 82 - 36x = 46

16 + x = 36x = 36 - 16 = 2016 + 20 = 36

x = 4

If: x+9+5x = 21+2x Then: x = 3

x2 + 10x + 21 = (x + 3)(x + 7)

3x + 7 = -4x + 28 implies 7x + 7 = 28

x â‰ 11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12

x = plus or minus 6.

x = -13

3

The value of x is -21.

21