let ? = x
work out the numbers in the brackets
801+x=676+(x+186)
factorise the right hand side
801+x=676x+125736
-801 from each side
x=676x+124935
-676x from each side
-675x=124935
Divide each side by -675
-675 cancels out
x=124935/-675 simplify fraction
x=\(-\frac{8329}{45}\)

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