6a+20=7(6a+8)

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Solution for 6a+20=7(6a+8) equation:


Simplifying
6a + 20 = 7(6a + 8)

Reorder the terms:
20 + 6a = 7(6a + 8)

Reorder the terms:
20 + 6a = 7(8 + 6a)
20 + 6a = (8 * 7 + 6a * 7)
20 + 6a = (56 + 42a)

Solving
20 + 6a = 56 + 42a

Solving for variable 'a'.

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

Add '-42a' to each side of the equation.
20 + 6a + -42a = 56 + 42a + -42a

Combine like terms: 6a + -42a = -36a
20 + -36a = 56 + 42a + -42a

Combine like terms: 42a + -42a = 0
20 + -36a = 56 + 0
20 + -36a = 56

Add '-20' to each side of the equation.
20 + -20 + -36a = 56 + -20

Combine like terms: 20 + -20 = 0
0 + -36a = 56 + -20
-36a = 56 + -20

Combine like terms: 56 + -20 = 36
-36a = 36

Divide each side by '-36'.
a = -1

Simplifying
a = -1

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