4(r-1)-7(4-6r)=-78

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Solution for 4(r-1)-7(4-6r)=-78 equation: 



4(r-1)-7(4-6r)=-78

We move all terms to the left:

4(r-1)-7(4-6r)-(-78)=0

We add all the numbers together, and all the variables

4(r-1)-7(-6r+4)-(-78)=0

We add all the numbers together, and all the variables

4(r-1)-7(-6r+4)+78=0

We multiply parentheses

4r+42r-4-28+78=0

We add all the numbers together, and all the variables

46r+46=0

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

46r=-46

r=-46/46

r=-1

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