5a-7a=-2

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


Simplifying
5a + -7a = -2

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

Solving
-2a = -2

Solving for variable 'a'.

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

Divide each side by '-2'.
a = 1

Simplifying
a = 1

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