9=10a+4b+12

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Solution for 9=10a+4b+12 equation:


Simplifying
9 = 10a + 4b + 12

Reorder the terms:
9 = 12 + 10a + 4b

Solving
9 = 12 + 10a + 4b

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
9 + -10a = 12 + 10a + -10a + 4b

Combine like terms: 10a + -10a = 0
9 + -10a = 12 + 0 + 4b
9 + -10a = 12 + 4b

Add '-9' to each side of the equation.
9 + -9 + -10a = 12 + -9 + 4b

Combine like terms: 9 + -9 = 0
0 + -10a = 12 + -9 + 4b
-10a = 12 + -9 + 4b

Combine like terms: 12 + -9 = 3
-10a = 3 + 4b

Divide each side by '-10'.
a = -0.3 + -0.4b

Simplifying
a = -0.3 + -0.4b

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