3a-7+a=11

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Solution for 3a-7+a=11 equation: 


Simplifying
3a + -7 + a = 11

Reorder the terms:
-7 + 3a + a = 11

Combine like terms: 3a + a = 4a
-7 + 4a = 11

Solving
-7 + 4a = 11

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 4a = 11 + 7

Combine like terms: -7 + 7 = 0
0 + 4a = 11 + 7
4a = 11 + 7

Combine like terms: 11 + 7 = 18
4a = 18

Divide each side by '4'.
a = 4.5

Simplifying
a = 4.5

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