8a-5(4-7a)=-3a-20

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Solution for 8a-5(4-7a)=-3a-20 equation:


Simplifying
8a + -5(4 + -7a) = -3a + -20
8a + (4 * -5 + -7a * -5) = -3a + -20
8a + (-20 + 35a) = -3a + -20

Reorder the terms:
-20 + 8a + 35a = -3a + -20

Combine like terms: 8a + 35a = 43a
-20 + 43a = -3a + -20

Reorder the terms:
-20 + 43a = -20 + -3a

Add '20' to each side of the equation.
-20 + 20 + 43a = -20 + 20 + -3a

Combine like terms: -20 + 20 = 0
0 + 43a = -20 + 20 + -3a
43a = -20 + 20 + -3a

Combine like terms: -20 + 20 = 0
43a = 0 + -3a
43a = -3a

Solving
43a = -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
43a + 3a = -3a + 3a

Combine like terms: 43a + 3a = 46a
46a = -3a + 3a

Combine like terms: -3a + 3a = 0
46a = 0

Divide each side by '46'.
a = 0

Simplifying
a = 0

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