3(2a)+7=(3a)+12

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Solution for 3(2a)+7=(3a)+12 equation:


Simplifying
3(2a) + 7 = (3a) + 12

Remove parenthesis around (2a)
3 * 2a + 7 = (3a) + 12

Multiply 3 * 2
6a + 7 = (3a) + 12

Reorder the terms:
7 + 6a = (3a) + 12

Reorder the terms:
7 + 6a = 12 + (3a)

Solving
7 + 6a = 12 + (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.
7 + 6a + (-3a) = 12 + (3a) + (-3a)

Combine like terms: 6a + (-3a) = 3a
7 + 3a = 12 + (3a) + (-3a)

Combine like terms: (3a) + (-3a) = 0
7 + 3a = 12 + 0
7 + 3a = 12

Add '-7' to each side of the equation.
7 + -7 + 3a = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 3a = 12 + -7
3a = 12 + -7

Combine like terms: 12 + -7 = 5
3a = 5

Divide each side by '3'.
a = 1.666666667

Simplifying
a = 1.666666667

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