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-21(x+1)-14(x+1)=12x
We simplify the equation to the form, which is simple to understand
-21(x+1)-14(x+1)=12x
Reorder the terms in parentheses
+(-21x-21)-14*(x+1)=12x
Remove unnecessary parentheses
-21x-21-14+*(+x+1+)=+12x
Reorder the terms in parentheses
-21x-21+(-14x-14)=12x
Remove unnecessary parentheses
-21x-21-14x-14=+12x
We move all terms containing x to the left and all other terms to the right.
-21x-14x-12x=+21+14
We simplify left and right side of the equation.
-47x=+35
We divide both sides of the equation by -47 to get x.
x=-0.74468085106383
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