45-(-a)=50

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Solution for 45-(-a)=50 equation:


Simplifying
45 + -1(-1a) = 50

Remove parenthesis around (-1a)
45 + -1 * -1a = 50

Multiply -1 * -1
45 + 1a = 50

Solving
45 + 1a = 50

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + 1a = 50 + -45

Combine like terms: 45 + -45 = 0
0 + 1a = 50 + -45
1a = 50 + -45

Combine like terms: 50 + -45 = 5
1a = 5

Divide each side by '1'.
a = 5

Simplifying
a = 5

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