21+x=5x+6

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Solution for 21+x=5x+6 equation:



21+x=5x+6
We move all terms to the left:
21+x-(5x+6)=0
We get rid of parentheses
x-5x-6+21=0
We add all the numbers together, and all the variables
-4x+15=0
We move all terms containing x to the left, all other terms to the right
-4x=-15
x=-15/-4
x=3+3/4

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