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X+X*3+X=149
We move all terms to the left:
X+X*3+X-(149)=0
We add all the numbers together, and all the variables
2X+X*3-149=0
Wy multiply elements
2X+3X-149=0
We add all the numbers together, and all the variables
5X-149=0
We move all terms containing X to the left, all other terms to the right
5X=149
X=149/5
X=29+4/5
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