2(5+7a)=

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Solution for 2(5+7a)= equation: 


Simplifying
2(5 + 7a) = 0
(5 * 2 + 7a * 2) = 0
(10 + 14a) = 0

Solving
10 + 14a = 0

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 14a = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 14a = 0 + -10
14a = 0 + -10

Combine like terms: 0 + -10 = -10
14a = -10

Divide each side by '14'.
a = -0.7142857143

Simplifying
a = -0.7142857143

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