7a+5=3(a+12)

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Solution for 7a+5=3(a+12) equation:


Simplifying
7a + 5 = 3(a + 12)

Reorder the terms:
5 + 7a = 3(a + 12)

Reorder the terms:
5 + 7a = 3(12 + a)
5 + 7a = (12 * 3 + a * 3)
5 + 7a = (36 + 3a)

Solving
5 + 7a = 36 + 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.
5 + 7a + -3a = 36 + 3a + -3a

Combine like terms: 7a + -3a = 4a
5 + 4a = 36 + 3a + -3a

Combine like terms: 3a + -3a = 0
5 + 4a = 36 + 0
5 + 4a = 36

Add '-5' to each side of the equation.
5 + -5 + 4a = 36 + -5

Combine like terms: 5 + -5 = 0
0 + 4a = 36 + -5
4a = 36 + -5

Combine like terms: 36 + -5 = 31
4a = 31

Divide each side by '4'.
a = 7.75

Simplifying
a = 7.75

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