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3/4x+9=1/4x+21
We move all terms to the left:
3/4x+9-(1/4x+21)=0
Domain of the equation: 4x!=0
x!=0/4
x!=0
x∈R
Domain of the equation: 4x+21)!=0We get rid of parentheses
x∈R
3/4x-1/4x-21+9=0
We multiply all the terms by the denominator
-21*4x+9*4x+3-1=0
We add all the numbers together, and all the variables
-21*4x+9*4x+2=0
Wy multiply elements
-84x+36x+2=0
We add all the numbers together, and all the variables
-48x+2=0
We move all terms containing x to the left, all other terms to the right
-48x=-2
x=-2/-48
x=1/24
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