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

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


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

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

Reorder the terms:
-20 + 4a = 8a + -1(-20 + 4a)
-20 + 4a = 8a + (-20 * -1 + 4a * -1)
-20 + 4a = 8a + (20 + -4a)

Reorder the terms:
-20 + 4a = 20 + 8a + -4a

Combine like terms: 8a + -4a = 4a
-20 + 4a = 20 + 4a

Add '-4a' to each side of the equation.
-20 + 4a + -4a = 20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-20 + 0 = 20 + 4a + -4a
-20 = 20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-20 = 20 + 0
-20 = 20

Solving
-20 = 20

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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