8a-(1+5a)=4(3a-11)-20

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Solution for 8a-(1+5a)=4(3a-11)-20 equation:


Simplifying
8a + -1(1 + 5a) = 4(3a + -11) + -20
8a + (1 * -1 + 5a * -1) = 4(3a + -11) + -20
8a + (-1 + -5a) = 4(3a + -11) + -20

Reorder the terms:
-1 + 8a + -5a = 4(3a + -11) + -20

Combine like terms: 8a + -5a = 3a
-1 + 3a = 4(3a + -11) + -20

Reorder the terms:
-1 + 3a = 4(-11 + 3a) + -20
-1 + 3a = (-11 * 4 + 3a * 4) + -20
-1 + 3a = (-44 + 12a) + -20

Reorder the terms:
-1 + 3a = -44 + -20 + 12a

Combine like terms: -44 + -20 = -64
-1 + 3a = -64 + 12a

Solving
-1 + 3a = -64 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-1 + 3a + -12a = -64 + 12a + -12a

Combine like terms: 3a + -12a = -9a
-1 + -9a = -64 + 12a + -12a

Combine like terms: 12a + -12a = 0
-1 + -9a = -64 + 0
-1 + -9a = -64

Add '1' to each side of the equation.
-1 + 1 + -9a = -64 + 1

Combine like terms: -1 + 1 = 0
0 + -9a = -64 + 1
-9a = -64 + 1

Combine like terms: -64 + 1 = -63
-9a = -63

Divide each side by '-9'.
a = 7

Simplifying
a = 7

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