7(x-3)+3(4-x)=-18

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Solution for 7(x-3)+3(4-x)=-18 equation: 



7(x-3)+3(4-x)=-18

We move all terms to the left:

7(x-3)+3(4-x)-(-18)=0

We add all the numbers together, and all the variables

7(x-3)+3(-1x+4)-(-18)=0

We add all the numbers together, and all the variables

7(x-3)+3(-1x+4)+18=0

We multiply parentheses

7x-3x-21+12+18=0

We add all the numbers together, and all the variables

4x+9=0

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

4x=-9

x=-9/4

x=-2+1/4

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