-164=-a+4(1-5a)

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Solution for -164=-a+4(1-5a) equation:


Simplifying
-164 = -1a + 4(1 + -5a)
-164 = -1a + (1 * 4 + -5a * 4)
-164 = -1a + (4 + -20a)

Reorder the terms:
-164 = 4 + -1a + -20a

Combine like terms: -1a + -20a = -21a
-164 = 4 + -21a

Solving
-164 = 4 + -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.
-164 + 21a = 4 + -21a + 21a

Combine like terms: -21a + 21a = 0
-164 + 21a = 4 + 0
-164 + 21a = 4

Add '164' to each side of the equation.
-164 + 164 + 21a = 4 + 164

Combine like terms: -164 + 164 = 0
0 + 21a = 4 + 164
21a = 4 + 164

Combine like terms: 4 + 164 = 168
21a = 168

Divide each side by '21'.
a = 8

Simplifying
a = 8

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