If you mean: 5x = 10 then the value of x is 2
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x = (-5)2 x = -5 * -5 x = 25
V=5*5+10*x, where V is the value in cents.
2x - 6 = 4 2x = 4 + 6 = 10 x = 10/2 = 5 ∴ x = 5
Totally dependent on the value of x eg if x = 1 then answer is -48 If x = 10 then answer is 1500... If x = -5 answer is 0
if x2 = 5 the value of x has to be 5 divided by 2 which is 2.5 x = 2.5