-8a+6(a+7)+42=1

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Solution for -8a+6(a+7)+42=1 equation:


Simplifying
-8a + 6(a + 7) + 42 = 1

Reorder the terms:
-8a + 6(7 + a) + 42 = 1
-8a + (7 * 6 + a * 6) + 42 = 1
-8a + (42 + 6a) + 42 = 1

Reorder the terms:
42 + 42 + -8a + 6a = 1

Combine like terms: 42 + 42 = 84
84 + -8a + 6a = 1

Combine like terms: -8a + 6a = -2a
84 + -2a = 1

Solving
84 + -2a = 1

Solving for variable 'a'.

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

Add '-84' to each side of the equation.
84 + -84 + -2a = 1 + -84

Combine like terms: 84 + -84 = 0
0 + -2a = 1 + -84
-2a = 1 + -84

Combine like terms: 1 + -84 = -83
-2a = -83

Divide each side by '-2'.
a = 41.5

Simplifying
a = 41.5

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