2(8-7a)-6(a+5)=-74

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Solution for 2(8-7a)-6(a+5)=-74 equation:


Simplifying
2(8 + -7a) + -6(a + 5) = -74
(8 * 2 + -7a * 2) + -6(a + 5) = -74
(16 + -14a) + -6(a + 5) = -74

Reorder the terms:
16 + -14a + -6(5 + a) = -74
16 + -14a + (5 * -6 + a * -6) = -74
16 + -14a + (-30 + -6a) = -74

Reorder the terms:
16 + -30 + -14a + -6a = -74

Combine like terms: 16 + -30 = -14
-14 + -14a + -6a = -74

Combine like terms: -14a + -6a = -20a
-14 + -20a = -74

Solving
-14 + -20a = -74

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + -20a = -74 + 14

Combine like terms: -14 + 14 = 0
0 + -20a = -74 + 14
-20a = -74 + 14

Combine like terms: -74 + 14 = -60
-20a = -60

Divide each side by '-20'.
a = 3

Simplifying
a = 3

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