12 squared plus 18 squared is equal to 468.
U can subtract 18 from each side of the equation.
What are the mathemtical signs????? Is it y^2 + 7y - 18 This factors to ( y - 2)(y + 9) or y^2 - 7y - 18 (y + 2)(y - 9)
b + 7 = 18 subtract 7 from each side b + 7 - 7 = 18 - 7 b = 11 ----------------check in original equation 11 + 7 = 18 18 = 18 --------------checks
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9 + 2 + 30 - 5 + 18 - 19 = -1
76 - 90 = -18 -18 - -48 = 30.
you just add 6x+9x to get 15x then minus 25 from 18 to get -7 thus the answer will be 15x-7
That equation has no solution. There is no possible number that's equal to 18 more than itself.
Do you mean: 5x + 9 - 7x + 6 = x - 18 If so, you can solve this question at this manner: -2x + 15 = x - 18 3x = -3 x = -1
18 + 12 + 0 - 4 - 10 = 16
18
-18 + 25 = 7
-11
-60
27