10a+3b+12-3a+8=

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Solution for 10a+3b+12-3a+8= equation:


Simplifying
10a + 3b + 12 + -3a + 8 = 0

Reorder the terms:
12 + 8 + 10a + -3a + 3b = 0

Combine like terms: 12 + 8 = 20
20 + 10a + -3a + 3b = 0

Combine like terms: 10a + -3a = 7a
20 + 7a + 3b = 0

Solving
20 + 7a + 3b = 0

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + 7a + -20 + 3b = 0 + -20

Reorder the terms:
20 + -20 + 7a + 3b = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 7a + 3b = 0 + -20
7a + 3b = 0 + -20

Combine like terms: 0 + -20 = -20
7a + 3b = -20

Add '-3b' to each side of the equation.
7a + 3b + -3b = -20 + -3b

Combine like terms: 3b + -3b = 0
7a + 0 = -20 + -3b
7a = -20 + -3b

Divide each side by '7'.
a = -2.857142857 + -0.4285714286b

Simplifying
a = -2.857142857 + -0.4285714286b

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