20x-10-21x=7x+4

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Solution for 20x-10-21x=7x+4 equation:



20x-10-21x=7x+4
We move all terms to the left:
20x-10-21x-(7x+4)=0
We add all the numbers together, and all the variables
-1x-(7x+4)-10=0
We get rid of parentheses
-1x-7x-4-10=0
We add all the numbers together, and all the variables
-8x-14=0
We move all terms containing x to the left, all other terms to the right
-8x=14
x=14/-8
x=-1+3/4

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