15-a=5

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Solution for 15-a=5 equation:


Simplifying
15 + -1a = 5

Solving
15 + -1a = 5

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -1a = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 5 + -15
-1a = 5 + -15

Combine like terms: 5 + -15 = -10
-1a = -10

Divide each side by '-1'.
a = 10

Simplifying
a = 10

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