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x+5*28=2x*21
We move all terms to the left:
x+5*28-(2x*21)=0
We add all the numbers together, and all the variables
x-(+2x*21)+5*28=0
We add all the numbers together, and all the variables
x-(+2x*21)+140=0
We get rid of parentheses
x-2x*21+140=0
Wy multiply elements
x-42x+140=0
We add all the numbers together, and all the variables
-41x+140=0
We move all terms containing x to the left, all other terms to the right
-41x=-140
x=-140/-41
x=3+17/41
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