11-5a-10=7+a

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Solution for 11-5a-10=7+a equation:


Simplifying
11 + -5a + -10 = 7 + a

Reorder the terms:
11 + -10 + -5a = 7 + a

Combine like terms: 11 + -10 = 1
1 + -5a = 7 + a

Solving
1 + -5a = 7 + 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.
1 + -5a + -1a = 7 + a + -1a

Combine like terms: -5a + -1a = -6a
1 + -6a = 7 + a + -1a

Combine like terms: a + -1a = 0
1 + -6a = 7 + 0
1 + -6a = 7

Add '-1' to each side of the equation.
1 + -1 + -6a = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -6a = 7 + -1
-6a = 7 + -1

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

Divide each side by '-6'.
a = -1

Simplifying
a = -1

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