7+5(4-x)=12

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Solution for 7+5(4-x)=12 equation: 



7+5(4-x)=12

We move all terms to the left:

7+5(4-x)-(12)=0

We add all the numbers together, and all the variables

5(-1x+4)+7-12=0

We add all the numbers together, and all the variables

5(-1x+4)-5=0

We multiply parentheses

-5x+20-5=0

We add all the numbers together, and all the variables

-5x+15=0

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

-5x=-15

x=-15/-5

x=+3

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