7a+3a=-15-5

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Solution for 7a+3a=-15-5 equation: 


Simplifying
7a + 3a = -15 + -5

Combine like terms: 7a + 3a = 10a
10a = -15 + -5

Combine like terms: -15 + -5 = -20
10a = -20

Solving
10a = -20

Solving for variable 'a'.

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

Divide each side by '10'.
a = -2

Simplifying
a = -2

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