4-a+7a=22

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Solution for 4-a+7a=22 equation: 


Simplifying
4 + -1a + 7a = 22

Combine like terms: -1a + 7a = 6a
4 + 6a = 22

Solving
4 + 6a = 22

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 6a = 22 + -4

Combine like terms: 4 + -4 = 0
0 + 6a = 22 + -4
6a = 22 + -4

Combine like terms: 22 + -4 = 18
6a = 18

Divide each side by '6'.
a = 3

Simplifying
a = 3

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