3x + 15 = 60
3x = 60 - 15
3x = 45
x = 45/3
Therefore, x = 15.
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The answer to this question is 60.
300 !
False12x - 66 = 3x + 912x - 3x = 9 + 669x = 65x = 7.22Check:12(7.22) - 60 + 6 = 1(7.22) + 9 + 2(7.22)86.64 - 66 = 7.22 + 9 + 14.4420.64 = 30.66
the answer is -174
3x^2+3x-60=3(x^2+x+20)=3(x+5)(x-4)