7a+20=55

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Solution for 7a+20=55 equation: 


Simplifying
7a + 20 = 55

Reorder the terms:
20 + 7a = 55

Solving
20 + 7a = 55

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 + -20 + 7a = 55 + -20

Combine like terms: 20 + -20 = 0
0 + 7a = 55 + -20
7a = 55 + -20

Combine like terms: 55 + -20 = 35
7a = 35

Divide each side by '7'.
a = 5

Simplifying
a = 5

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