2(x-3)=-21

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Solution for 2(x-3)=-21 equation: 



2(x-3)=-21

We move all terms to the left:

2(x-3)-(-21)=0

We add all the numbers together, and all the variables

2(x-3)+21=0

We multiply parentheses

2x-6+21=0

We add all the numbers together, and all the variables

2x+15=0

We move all terms containing x to the left, all other terms to the right

2x=-15

x=-15/2

x=-7+1/2

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