11(20+a)=550

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Solution for 11(20+a)=550 equation: 


Simplifying
11(20 + a) = 550
(20 * 11 + a * 11) = 550
(220 + 11a) = 550

Solving
220 + 11a = 550

Solving for variable 'a'.

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

Add '-220' to each side of the equation.
220 + -220 + 11a = 550 + -220

Combine like terms: 220 + -220 = 0
0 + 11a = 550 + -220
11a = 550 + -220

Combine like terms: 550 + -220 = 330
11a = 330

Divide each side by '11'.
a = 30

Simplifying
a = 30

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