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3x+x/2+x+7=151
We move all terms to the left:
3x+x/2+x+7-(151)=0
We add all the numbers together, and all the variables
4x+x/2-144=0
We multiply all the terms by the denominator
4x*2+x-144*2=0
We add all the numbers together, and all the variables
x+4x*2-288=0
Wy multiply elements
x+8x-288=0
We add all the numbers together, and all the variables
9x-288=0
We move all terms containing x to the left, all other terms to the right
9x=288
x=288/9
x=32
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