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 = -29
-10a = -29

Divide each side by '-10'.
a = 2.9

Simplifying
a = 2.9

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