1399-(-200)=a

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Solution for 1399-(-200)=a equation:


Simplifying
1399 + -1(-200) = a

Multiply -1 * -200
1399 + 200 = a

Combine like terms: 1399 + 200 = 1599
1599 = a

Solving
1599 = a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1a' to each side of the equation.
1599 + -1a = a + -1a

Combine like terms: a + -1a = 0
1599 + -1a = 0

Add '-1599' to each side of the equation.
1599 + -1599 + -1a = 0 + -1599

Combine like terms: 1599 + -1599 = 0
0 + -1a = 0 + -1599
-1a = 0 + -1599

Combine like terms: 0 + -1599 = -1599
-1a = -1599

Divide each side by '-1'.
a = 1599

Simplifying
a = 1599

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