7=7a+5a-a

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Solution for 7=7a+5a-a equation:


Simplifying
7 = 7a + 5a + -1a

Combine like terms: 7a + 5a = 12a
7 = 12a + -1a

Combine like terms: 12a + -1a = 11a
7 = 11a

Solving
7 = 11a

Solving for variable 'a'.

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

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

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

Add '-7' to each side of the equation.
7 + -7 + -11a = 0 + -7

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

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

Divide each side by '-11'.
a = 0.6363636364

Simplifying
a = 0.6363636364

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