74=2a+4(a-7)

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


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

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

Reorder the terms:
74 = -28 + 2a + 4a

Combine like terms: 2a + 4a = 6a
74 = -28 + 6a

Solving
74 = -28 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
74 + -6a = -28 + 6a + -6a

Combine like terms: 6a + -6a = 0
74 + -6a = -28 + 0
74 + -6a = -28

Add '-74' to each side of the equation.
74 + -74 + -6a = -28 + -74

Combine like terms: 74 + -74 = 0
0 + -6a = -28 + -74
-6a = -28 + -74

Combine like terms: -28 + -74 = -102
-6a = -102

Divide each side by '-6'.
a = 17

Simplifying
a = 17

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