3a-11=7-a

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


Simplifying
3a + -11 = 7 + -1a

Reorder the terms:
-11 + 3a = 7 + -1a

Solving
-11 + 3a = 7 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-11 + 3a + a = 7 + -1a + a

Combine like terms: 3a + a = 4a
-11 + 4a = 7 + -1a + a

Combine like terms: -1a + a = 0
-11 + 4a = 7 + 0
-11 + 4a = 7

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

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

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

Divide each side by '4'.
a = 4.5

Simplifying
a = 4.5

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