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What is the first step in solving the equation 2a - 4( a - 5 ) = 10

What Is The First Step In Solving The Equation 2a 4 A 5 10 class=

Sagot :

The first step in solving for a in the equation would be:

1.distribute -4 to a and -5, then:

2a-4a+20=10

Now the next steps in solving for a:

2.Add 2a and -4a :

-2a+20=10

3.Substract 20 to both sides

-2a+20-20=10-20

then:

-2a= -10

4.Finally, divide both sides by -2

[tex]\frac{-2a}{-2}=\frac{-10}{-2}=5[/tex]

then, a=5

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