-a-4a=-50

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Solution for -a-4a=-50 equation: 


Simplifying
-1a + -4a = -50

Combine like terms: -1a + -4a = -5a
-5a = -50

Solving
-5a = -50

Solving for variable 'a'.

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

Divide each side by '-5'.
a = 10

Simplifying
a = 10

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