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1 vote

144 = - 12(x + 5)

2 Answers

6 votes

Hello!

Step-by-step explanation:

First, you had to do is switch sides of an equation.


-12(x+5)=144

Then you divide by -12 from both sides of an equation.


(-12(x+5))/(-12)= (144)/(-12)

Simplify.


144/-12=-12


x+5=-12

Next, subtract by 5 from both sides of an equation.


x+5-5=12-5

Simplify.


12+5=17

Answer: →
\boxed{x=-17}

*The answer must have a negative sign.*

Hope this helps!

User Mmlb
by
8.6k points
3 votes


-12(x+5)=144\qquad\text{use distributive property}\\\\(-12)(x)+(-12)(5)=144\\\\-12x-60=144\qquad\text{add 60 to both sides}\\\\-12x=204\qquad\text{divide both sides by (-12)}\\\\\boxed{x=17}

User ErsatzRyan
by
8.1k points

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