5(a-1)-9(a-2)=3(2a+1)-2

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Solution for 5(a-1)-9(a-2)=3(2a+1)-2 equation:


Simplifying
5(a + -1) + -9(a + -2) = 3(2a + 1) + -2

Reorder the terms:
5(-1 + a) + -9(a + -2) = 3(2a + 1) + -2
(-1 * 5 + a * 5) + -9(a + -2) = 3(2a + 1) + -2
(-5 + 5a) + -9(a + -2) = 3(2a + 1) + -2

Reorder the terms:
-5 + 5a + -9(-2 + a) = 3(2a + 1) + -2
-5 + 5a + (-2 * -9 + a * -9) = 3(2a + 1) + -2
-5 + 5a + (18 + -9a) = 3(2a + 1) + -2

Reorder the terms:
-5 + 18 + 5a + -9a = 3(2a + 1) + -2

Combine like terms: -5 + 18 = 13
13 + 5a + -9a = 3(2a + 1) + -2

Combine like terms: 5a + -9a = -4a
13 + -4a = 3(2a + 1) + -2

Reorder the terms:
13 + -4a = 3(1 + 2a) + -2
13 + -4a = (1 * 3 + 2a * 3) + -2
13 + -4a = (3 + 6a) + -2

Reorder the terms:
13 + -4a = 3 + -2 + 6a

Combine like terms: 3 + -2 = 1
13 + -4a = 1 + 6a

Solving
13 + -4a = 1 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
13 + -4a + -6a = 1 + 6a + -6a

Combine like terms: -4a + -6a = -10a
13 + -10a = 1 + 6a + -6a

Combine like terms: 6a + -6a = 0
13 + -10a = 1 + 0
13 + -10a = 1

Add '-13' to each side of the equation.
13 + -13 + -10a = 1 + -13

Combine like terms: 13 + -13 = 0
0 + -10a = 1 + -13
-10a = 1 + -13

Combine like terms: 1 + -13 = -12
-10a = -12

Divide each side by '-10'.
a = 1.2

Simplifying
a = 1.2

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