15+6a=-7(-2a+7)

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Solution for 15+6a=-7(-2a+7) equation:


Simplifying
15 + 6a = -7(-2a + 7)

Reorder the terms:
15 + 6a = -7(7 + -2a)
15 + 6a = (7 * -7 + -2a * -7)
15 + 6a = (-49 + 14a)

Solving
15 + 6a = -49 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
15 + 6a + -14a = -49 + 14a + -14a

Combine like terms: 6a + -14a = -8a
15 + -8a = -49 + 14a + -14a

Combine like terms: 14a + -14a = 0
15 + -8a = -49 + 0
15 + -8a = -49

Add '-15' to each side of the equation.
15 + -15 + -8a = -49 + -15

Combine like terms: 15 + -15 = 0
0 + -8a = -49 + -15
-8a = -49 + -15

Combine like terms: -49 + -15 = -64
-8a = -64

Divide each side by '-8'.
a = 8

Simplifying
a = 8

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