2a+7a-5a=-4

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Solution for 2a+7a-5a=-4 equation: 


Simplifying
2a + 7a + -5a = -4

Combine like terms: 2a + 7a = 9a
9a + -5a = -4

Combine like terms: 9a + -5a = 4a
4a = -4

Solving
4a = -4

Solving for variable 'a'.

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

Divide each side by '4'.
a = -1

Simplifying
a = -1

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