7a=a+42

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Solution for 7a=a+42 equation: 


Simplifying
7a = a + 42

Reorder the terms:
7a = 42 + a

Solving
7a = 42 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
7a + -1a = 42 + a + -1a

Combine like terms: 7a + -1a = 6a
6a = 42 + a + -1a

Combine like terms: a + -1a = 0
6a = 42 + 0
6a = 42

Divide each side by '6'.
a = 7

Simplifying
a = 7

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