Q: What is value of x 11x plus 9 equals 7x plus 21?

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8x - 9 = 11x + 12 8x = 11x + 21 -3x = 21 x = -7

11x - 21 = 7x + 3 4x = 24x = 6

x=3 actually its 7

21

The value of x is -21.

7 and (-3/2)

1) x=21 2) x=14.45

The value of x is 29

2(10)+1

The mathematical statement 31 plus 21 equals 52 as a total.

21+21+19+19=80

21