6a+7=55-2a

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Solution for 6a+7=55-2a equation:


Simplifying
6a + 7 = 55 + -2a

Reorder the terms:
7 + 6a = 55 + -2a

Solving
7 + 6a = 55 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
7 + 6a + 2a = 55 + -2a + 2a

Combine like terms: 6a + 2a = 8a
7 + 8a = 55 + -2a + 2a

Combine like terms: -2a + 2a = 0
7 + 8a = 55 + 0
7 + 8a = 55

Add '-7' to each side of the equation.
7 + -7 + 8a = 55 + -7

Combine like terms: 7 + -7 = 0
0 + 8a = 55 + -7
8a = 55 + -7

Combine like terms: 55 + -7 = 48
8a = 48

Divide each side by '8'.
a = 6

Simplifying
a = 6

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