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4x-7=91/2
We move all terms to the left:
4x-7-(91/2)=0
We add all the numbers together, and all the variables
4x-7-(+91/2)=0
We get rid of parentheses
4x-7-91/2=0
We multiply all the terms by the denominator
4x*2-91-7*2=0
We add all the numbers together, and all the variables
4x*2-105=0
Wy multiply elements
8x-105=0
We move all terms containing x to the left, all other terms to the right
8x=105
x=105/8
x=13+1/8
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