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lisabon 2012 [21]
3 years ago
14

-5(t + 3)= -30 Solve for the variable!! Please

Mathematics
1 answer:
kvv77 [185]3 years ago
4 0

Answer:

\huge\boxed{t=3}

Step-by-step explanation:

-5(t+3)=-30

<h3>METHOD 1:</h3>

-5(t+3)=-30    <em>divide both sides by (-5)</em>

<em />\dfrac{-5\!\!\!\!\diagup(t+3)}{-5\!\!\!\!\diagup}=\dfrac{-30}{-5}<em />

<em />t+3=6<em>       subtract 3 from both sides</em>

t+3-3=6-3\\t=3

<h3>METHOD 2:</h3>

-5(t+3)=-30       <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

<em />(-5)(t)+(-5)(3)=-30<em />

<em />-5t-15=-30<em>     </em><em>add 15 to both sides</em>

<em />-5t-15+15=-30+15<em />

<em />-5t=-15<em>         divide both sides by (-5)</em>

\dfrac{-5t}{-5}=\dfrac{-15}{-5}\\\\t=3

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