20+4=-6a+7a-4a

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Solution for 20+4=-6a+7a-4a equation:


Simplifying
20 + 4 = -6a + 7a + -4a

Combine like terms: 20 + 4 = 24
24 = -6a + 7a + -4a

Combine like terms: -6a + 7a = 1a
24 = 1a + -4a

Combine like terms: 1a + -4a = -3a
24 = -3a

Solving
24 = -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.
24 + 3a = -3a + 3a

Combine like terms: -3a + 3a = 0
24 + 3a = 0

Add '-24' to each side of the equation.
24 + -24 + 3a = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 3a = 0 + -24
3a = 0 + -24

Combine like terms: 0 + -24 = -24
3a = -24

Divide each side by '3'.
a = -8

Simplifying
a = -8

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