4a-12=2(a+1)+19+4

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Solution for 4a-12=2(a+1)+19+4 equation:


Simplifying
4a + -12 = 2(a + 1) + 19 + 4

Reorder the terms:
-12 + 4a = 2(a + 1) + 19 + 4

Reorder the terms:
-12 + 4a = 2(1 + a) + 19 + 4
-12 + 4a = (1 * 2 + a * 2) + 19 + 4
-12 + 4a = (2 + 2a) + 19 + 4

Reorder the terms:
-12 + 4a = 2 + 19 + 4 + 2a

Combine like terms: 2 + 19 = 21
-12 + 4a = 21 + 4 + 2a

Combine like terms: 21 + 4 = 25
-12 + 4a = 25 + 2a

Solving
-12 + 4a = 25 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-12 + 4a + -2a = 25 + 2a + -2a

Combine like terms: 4a + -2a = 2a
-12 + 2a = 25 + 2a + -2a

Combine like terms: 2a + -2a = 0
-12 + 2a = 25 + 0
-12 + 2a = 25

Add '12' to each side of the equation.
-12 + 12 + 2a = 25 + 12

Combine like terms: -12 + 12 = 0
0 + 2a = 25 + 12
2a = 25 + 12

Combine like terms: 25 + 12 = 37
2a = 37

Divide each side by '2'.
a = 18.5

Simplifying
a = 18.5

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