-7a+8a+11=4-a-7

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Solution for -7a+8a+11=4-a-7 equation:


Simplifying
-7a + 8a + 11 = 4 + -1a + -7

Reorder the terms:
11 + -7a + 8a = 4 + -1a + -7

Combine like terms: -7a + 8a = 1a
11 + 1a = 4 + -1a + -7

Reorder the terms:
11 + 1a = 4 + -7 + -1a

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

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

Combine like terms: 1a + a = 2a
11 + 2a = -3 + -1a + a

Combine like terms: -1a + a = 0
11 + 2a = -3 + 0
11 + 2a = -3

Add '-11' to each side of the equation.
11 + -11 + 2a = -3 + -11

Combine like terms: 11 + -11 = 0
0 + 2a = -3 + -11
2a = -3 + -11

Combine like terms: -3 + -11 = -14
2a = -14

Divide each side by '2'.
a = -7

Simplifying
a = -7

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