2(9a+7)=-13

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Solution for 2(9a+7)=-13 equation: 


Simplifying
2(9a + 7) = -13

Reorder the terms:
2(7 + 9a) = -13
(7 * 2 + 9a * 2) = -13
(14 + 18a) = -13

Solving
14 + 18a = -13

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + 18a = -13 + -14

Combine like terms: 14 + -14 = 0
0 + 18a = -13 + -14
18a = -13 + -14

Combine like terms: -13 + -14 = -27
18a = -27

Divide each side by '18'.
a = -1.5

Simplifying
a = -1.5

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