11(a-1)-13(a-2)=-2(2a+1)-3

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Solution for 11(a-1)-13(a-2)=-2(2a+1)-3 equation:


Simplifying
11(a + -1) + -13(a + -2) = -2(2a + 1) + -3

Reorder the terms:
11(-1 + a) + -13(a + -2) = -2(2a + 1) + -3
(-1 * 11 + a * 11) + -13(a + -2) = -2(2a + 1) + -3
(-11 + 11a) + -13(a + -2) = -2(2a + 1) + -3

Reorder the terms:
-11 + 11a + -13(-2 + a) = -2(2a + 1) + -3
-11 + 11a + (-2 * -13 + a * -13) = -2(2a + 1) + -3
-11 + 11a + (26 + -13a) = -2(2a + 1) + -3

Reorder the terms:
-11 + 26 + 11a + -13a = -2(2a + 1) + -3

Combine like terms: -11 + 26 = 15
15 + 11a + -13a = -2(2a + 1) + -3

Combine like terms: 11a + -13a = -2a
15 + -2a = -2(2a + 1) + -3

Reorder the terms:
15 + -2a = -2(1 + 2a) + -3
15 + -2a = (1 * -2 + 2a * -2) + -3
15 + -2a = (-2 + -4a) + -3

Reorder the terms:
15 + -2a = -2 + -3 + -4a

Combine like terms: -2 + -3 = -5
15 + -2a = -5 + -4a

Solving
15 + -2a = -5 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
15 + -2a + 4a = -5 + -4a + 4a

Combine like terms: -2a + 4a = 2a
15 + 2a = -5 + -4a + 4a

Combine like terms: -4a + 4a = 0
15 + 2a = -5 + 0
15 + 2a = -5

Add '-15' to each side of the equation.
15 + -15 + 2a = -5 + -15

Combine like terms: 15 + -15 = 0
0 + 2a = -5 + -15
2a = -5 + -15

Combine like terms: -5 + -15 = -20
2a = -20

Divide each side by '2'.
a = -10

Simplifying
a = -10

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