3(x+21)+4(x+21)=-35

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Solution for 3(x+21)+4(x+21)=-35 equation: 



3(x+21)+4(x+21)=-35

We move all terms to the left:

3(x+21)+4(x+21)-(-35)=0

We add all the numbers together, and all the variables

3(x+21)+4(x+21)+35=0

We multiply parentheses

3x+4x+63+84+35=0

We add all the numbers together, and all the variables

7x+182=0

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

7x=-182

x=-182/7

x=-26

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