-179=-4-7(1-3a)

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Solution for -179=-4-7(1-3a) equation:


Simplifying
-179 = -4 + -7(1 + -3a)
-179 = -4 + (1 * -7 + -3a * -7)
-179 = -4 + (-7 + 21a)

Combine like terms: -4 + -7 = -11
-179 = -11 + 21a

Solving
-179 = -11 + 21a

Solving for variable 'a'.

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

Add '-21a' to each side of the equation.
-179 + -21a = -11 + 21a + -21a

Combine like terms: 21a + -21a = 0
-179 + -21a = -11 + 0
-179 + -21a = -11

Add '179' to each side of the equation.
-179 + 179 + -21a = -11 + 179

Combine like terms: -179 + 179 = 0
0 + -21a = -11 + 179
-21a = -11 + 179

Combine like terms: -11 + 179 = 168
-21a = 168

Divide each side by '-21'.
a = -8

Simplifying
a = -8

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