10+x=3-2x=4+21

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Solution for 10+x=3-2x=4+21 equation:



10+x=3-2x=4+21
We move all terms to the left:
10+x-(3-2x)=0
We add all the numbers together, and all the variables
x-(-2x+3)+10=0
We get rid of parentheses
x+2x-3+10=0
We add all the numbers together, and all the variables
3x+7=0
We move all terms containing x to the left, all other terms to the right
3x=-7
x=-7/3
x=-2+1/3

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