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3x+0.75x=(8-0.25x)-(3-0.75x)+0.75x
We move all terms to the left:
3x+0.75x-((8-0.25x)-(3-0.75x)+0.75x)=0
We add all the numbers together, and all the variables
3x+0.75x-((-0.25x+8)-(-0.75x+3)+0.75x)=0
We add all the numbers together, and all the variables
3.75x-((-0.25x+8)-(-0.75x+3)+0.75x)=0
We calculate terms in parentheses: -((-0.25x+8)-(-0.75x+3)+0.75x), so:We get rid of parentheses
(-0.25x+8)-(-0.75x+3)+0.75x
We add all the numbers together, and all the variables
0.75x+(-0.25x+8)-(-0.75x+3)
We get rid of parentheses
0.75x-0.25x+0.75x+8-3
We add all the numbers together, and all the variables
1.25x+5
Back to the equation:
-(1.25x+5)
3.75x-1.25x-5=0
We add all the numbers together, and all the variables
2.5x-5=0
We move all terms containing x to the left, all other terms to the right
2.5x=5
x=5/2.5
x=2
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