X+(x-10)+3x=290

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Solution for X+(x-10)+3x=290 equation:



X+(X-10)+3X=290
We move all terms to the left:
X+(X-10)+3X-(290)=0
We add all the numbers together, and all the variables
4X+(X-10)-290=0
We get rid of parentheses
4X+X-10-290=0
We add all the numbers together, and all the variables
5X-300=0
We move all terms containing X to the left, all other terms to the right
5X=300
X=300/5
X=60

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