x-3-7x=21
-6x=21+3
6x=-24
x=-4
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The answer is that the value of x is -21
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
1 x 21, 3 x 7.
The answer is 42. 6 x 7 equals 42. 21 x 2 equals 42.
x + 21 = 36Subtract 21 from each side:x = 15