51=-6(1+2a)-5(-1+8a)

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Solution for 51=-6(1+2a)-5(-1+8a) equation:


Simplifying
51 = -6(1 + 2a) + -5(-1 + 8a)
51 = (1 * -6 + 2a * -6) + -5(-1 + 8a)
51 = (-6 + -12a) + -5(-1 + 8a)
51 = -6 + -12a + (-1 * -5 + 8a * -5)
51 = -6 + -12a + (5 + -40a)

Reorder the terms:
51 = -6 + 5 + -12a + -40a

Combine like terms: -6 + 5 = -1
51 = -1 + -12a + -40a

Combine like terms: -12a + -40a = -52a
51 = -1 + -52a

Solving
51 = -1 + -52a

Solving for variable 'a'.

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

Add '52a' to each side of the equation.
51 + 52a = -1 + -52a + 52a

Combine like terms: -52a + 52a = 0
51 + 52a = -1 + 0
51 + 52a = -1

Add '-51' to each side of the equation.
51 + -51 + 52a = -1 + -51

Combine like terms: 51 + -51 = 0
0 + 52a = -1 + -51
52a = -1 + -51

Combine like terms: -1 + -51 = -52
52a = -52

Divide each side by '52'.
a = -1

Simplifying
a = -1

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