7(a+6)=5a+12

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Solution for 7(a+6)=5a+12 equation:


Simplifying
7(a + 6) = 5a + 12

Reorder the terms:
7(6 + a) = 5a + 12
(6 * 7 + a * 7) = 5a + 12
(42 + 7a) = 5a + 12

Reorder the terms:
42 + 7a = 12 + 5a

Solving
42 + 7a = 12 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
42 + 7a + -5a = 12 + 5a + -5a

Combine like terms: 7a + -5a = 2a
42 + 2a = 12 + 5a + -5a

Combine like terms: 5a + -5a = 0
42 + 2a = 12 + 0
42 + 2a = 12

Add '-42' to each side of the equation.
42 + -42 + 2a = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 2a = 12 + -42
2a = 12 + -42

Combine like terms: 12 + -42 = -30
2a = -30

Divide each side by '2'.
a = -15

Simplifying
a = -15

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