10a-2b=42

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Solution for 10a-2b=42 equation: 


Simplifying
10a + -2b = 42

Solving
10a + -2b = 42

Solving for variable 'a'.

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

Add '2b' to each side of the equation.
10a + -2b + 2b = 42 + 2b

Combine like terms: -2b + 2b = 0
10a + 0 = 42 + 2b
10a = 42 + 2b

Divide each side by '10'.
a = 4.2 + 0.2b

Simplifying
a = 4.2 + 0.2b

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