7+7(5a+2)=

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


Simplifying
7 + 7(5a + 2) = 0

Reorder the terms:
7 + 7(2 + 5a) = 0
7 + (2 * 7 + 5a * 7) = 0
7 + (14 + 35a) = 0

Combine like terms: 7 + 14 = 21
21 + 35a = 0

Solving
21 + 35a = 0

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 35a = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 35a = 0 + -21
35a = 0 + -21

Combine like terms: 0 + -21 = -21
35a = -21

Divide each side by '35'.
a = -0.6

Simplifying
a = -0.6

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