3x/4=7-x

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Solution for 3x/4=7-x equation:



3x/4=7-x
We move all terms to the left:
3x/4-(7-x)=0
We add all the numbers together, and all the variables
3x/4-(-1x+7)=0
We get rid of parentheses
3x/4+1x-7=0
We multiply all the terms by the denominator
3x+1x*4-7*4=0
We add all the numbers together, and all the variables
3x+1x*4-28=0
Wy multiply elements
3x+4x-28=0
We add all the numbers together, and all the variables
7x-28=0
We move all terms containing x to the left, all other terms to the right
7x=28
x=28/7
x=4

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