Answer D because you want to get the x by itself and in order to do this she needs to multiply by -4 so that one side only has x.
= -<span>9x-12=35-x
Put like terms together:
= -9x + x = 35 + 12
= -8x = 47
= x = -47/8
= x = -5.875
In short, Your Answer would be: -5.875
Hope this helps!</span>
Here is you're answer:
In order to cross multiply you have to multiply the numerator and denominator of the first fraction by the bottom number of the second fraction and see if the equation is still true:
Therefore you're answer is "3 × 1 = 5 × 10."
Hope this helps!