74=6-4(2a+7)

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Solution for 74=6-4(2a+7) equation:


Simplifying
74 = 6 + -4(2a + 7)

Reorder the terms:
74 = 6 + -4(7 + 2a)
74 = 6 + (7 * -4 + 2a * -4)
74 = 6 + (-28 + -8a)

Combine like terms: 6 + -28 = -22
74 = -22 + -8a

Solving
74 = -22 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
74 + 8a = -22 + -8a + 8a

Combine like terms: -8a + 8a = 0
74 + 8a = -22 + 0
74 + 8a = -22

Add '-74' to each side of the equation.
74 + -74 + 8a = -22 + -74

Combine like terms: 74 + -74 = 0
0 + 8a = -22 + -74
8a = -22 + -74

Combine like terms: -22 + -74 = -96
8a = -96

Divide each side by '8'.
a = -12

Simplifying
a = -12

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