5a-7a=2+8

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Solution for 5a-7a=2+8 equation: 


Simplifying
5a + -7a = 2 + 8

Combine like terms: 5a + -7a = -2a
-2a = 2 + 8

Combine like terms: 2 + 8 = 10
-2a = 10

Solving
-2a = 10

Solving for variable 'a'.

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

Divide each side by '-2'.
a = -5

Simplifying
a = -5

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