3.4 x 30 = 102
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The answer to the problem of 7-3x equals 34 is x equals -9.
3x-6y=30 y=34-6x substitute the the value for y from the second equation into the first equation. 3x-6(34-6x)=30 3x-204+36x=30 39x-204=30 39x=234 x=234/39 x=6 Substitute this value of x into equation 2. y=34-6(6) y=34-36 y=-2
30% off of 34= 30% discount applied to 34= 34 - (30% x 34)= 34 - (0.30 x 34)= 34 - 10.2= 23.80
34 x 9=306
30 squared is 900. 16 squared 256. add them and you get 1156. Now, simply do: √1156 The answer is 34. Its simple: (30•30)+(16•16)=x^2 900+256=x^2 1156=x^2 √1156=x 34=x