Solve for x_3
x_{3}=-354.82
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39\times 9+x_{3}+3.82=0
Calculate 3 to the power of 2 and get 9.
351+x_{3}+3.82=0
Multiply 39 and 9 to get 351.
354.82+x_{3}=0
Add 351 and 3.82 to get 354.82.
x_{3}=-354.82
Subtract 354.82 from both sides. Anything subtracted from zero gives its negation.
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