-5(7-6a)-6(4a+6)=-77

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Solution for -5(7-6a)-6(4a+6)=-77 equation:


Simplifying
-5(7 + -6a) + -6(4a + 6) = -77
(7 * -5 + -6a * -5) + -6(4a + 6) = -77
(-35 + 30a) + -6(4a + 6) = -77

Reorder the terms:
-35 + 30a + -6(6 + 4a) = -77
-35 + 30a + (6 * -6 + 4a * -6) = -77
-35 + 30a + (-36 + -24a) = -77

Reorder the terms:
-35 + -36 + 30a + -24a = -77

Combine like terms: -35 + -36 = -71
-71 + 30a + -24a = -77

Combine like terms: 30a + -24a = 6a
-71 + 6a = -77

Solving
-71 + 6a = -77

Solving for variable 'a'.

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

Add '71' to each side of the equation.
-71 + 71 + 6a = -77 + 71

Combine like terms: -71 + 71 = 0
0 + 6a = -77 + 71
6a = -77 + 71

Combine like terms: -77 + 71 = -6
6a = -6

Divide each side by '6'.
a = -1

Simplifying
a = -1

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