10a+20b=40

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Solution for 10a+20b=40 equation: 


Simplifying
10a + 20b = 40

Solving
10a + 20b = 40

Solving for variable 'a'.

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

Add '-20b' to each side of the equation.
10a + 20b + -20b = 40 + -20b

Combine like terms: 20b + -20b = 0
10a + 0 = 40 + -20b
10a = 40 + -20b

Divide each side by '10'.
a = 4 + -2b

Simplifying
a = 4 + -2b

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