10(3+a)=-30

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Solution for 10(3+a)=-30 equation: 


Simplifying
10(3 + a) = -30
(3 * 10 + a * 10) = -30
(30 + 10a) = -30

Solving
30 + 10a = -30

Solving for variable 'a'.

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

Add '-30' to each side of the equation.
30 + -30 + 10a = -30 + -30

Combine like terms: 30 + -30 = 0
0 + 10a = -30 + -30
10a = -30 + -30

Combine like terms: -30 + -30 = -60
10a = -60

Divide each side by '10'.
a = -6

Simplifying
a = -6

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