5x+30=-3x-42

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Solution for 5x+30=-3x-42 equation: 



5x+30=-3x-42

We move all terms to the left:

5x+30-(-3x-42)=0

We get rid of parentheses

5x+3x+42+30=0

We add all the numbers together, and all the variables

8x+72=0

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

8x=-72

x=-72/8

x=-9

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