2a-7a=-30

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Solution for 2a-7a=-30 equation: 


Simplifying
2a + -7a = -30

Combine like terms: 2a + -7a = -5a
-5a = -30

Solving
-5a = -30

Solving for variable 'a'.

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

Divide each side by '-5'.
a = 6

Simplifying
a = 6

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