Solve for x
x=31-x_{3}
Solve for x_3
x_{3}=31-x
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x-1=30-x_{3}
Subtract x_{3} from both sides.
x=30-x_{3}+1
Add 1 to both sides.
x=31-x_{3}
Add 30 and 1 to get 31.
x_{3}-1=30-x
Subtract x from both sides.
x_{3}=30-x+1
Add 1 to both sides.
x_{3}=31-x
Add 30 and 1 to get 31.
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Limits
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