Solve for x. (a) 5x+24=9. (b) 4x(x-1)=(x-2+20).
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Answered by
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a)
5x+24=9
5x=9-24
x=-15/5
x=3
5x+24=9
5x=9-24
x=-15/5
x=3
Answered by
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(a) 5x+24=9
5x=9-24
5x=-15
x=-15/5=-3
(b)4x(x-1)=(x-2+20)
4x^2-4x=x+18
4x^2-4x-x=18
4x^2-5x-18=0
Now you can solve by quadratic formula
5x=9-24
5x=-15
x=-15/5=-3
(b)4x(x-1)=(x-2+20)
4x^2-4x=x+18
4x^2-4x-x=18
4x^2-5x-18=0
Now you can solve by quadratic formula
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