2a+7=12(a-3)

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


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

Reorder the terms:
7 + 2a = 12(a + -3)

Reorder the terms:
7 + 2a = 12(-3 + a)
7 + 2a = (-3 * 12 + a * 12)
7 + 2a = (-36 + 12a)

Solving
7 + 2a = -36 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
7 + 2a + -12a = -36 + 12a + -12a

Combine like terms: 2a + -12a = -10a
7 + -10a = -36 + 12a + -12a

Combine like terms: 12a + -12a = 0
7 + -10a = -36 + 0
7 + -10a = -36

Add '-7' to each side of the equation.
7 + -7 + -10a = -36 + -7

Combine like terms: 7 + -7 = 0
0 + -10a = -36 + -7
-10a = -36 + -7

Combine like terms: -36 + -7 = -43
-10a = -43

Divide each side by '-10'.
a = 4.3

Simplifying
a = 4.3

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