5=21x+13

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Solution for 5=21x+13 equation:



5=21x+13
We move all terms to the left:
5-(21x+13)=0
We get rid of parentheses
-21x-13+5=0
We add all the numbers together, and all the variables
-21x-8=0
We move all terms containing x to the left, all other terms to the right
-21x=8
x=8/-21
x=-8/21

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