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

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


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

Reorder the terms:
(-7 + 6a) = (4a + 20)

Remove parenthesis around (-7 + 6a)
-7 + 6a = (4a + 20)

Reorder the terms:
-7 + 6a = (20 + 4a)

Remove parenthesis around (20 + 4a)
-7 + 6a = 20 + 4a

Solving
-7 + 6a = 20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-7 + 6a + -4a = 20 + 4a + -4a

Combine like terms: 6a + -4a = 2a
-7 + 2a = 20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-7 + 2a = 20 + 0
-7 + 2a = 20

Add '7' to each side of the equation.
-7 + 7 + 2a = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 2a = 20 + 7
2a = 20 + 7

Combine like terms: 20 + 7 = 27
2a = 27

Divide each side by '2'.
a = 13.5

Simplifying
a = 13.5

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