9(2-a)-(5a+1)=5(3-a)-10a

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Solution for 9(2-a)-(5a+1)=5(3-a)-10a equation:


Simplifying
9(2 + -1a) + -1(5a + 1) = 5(3 + -1a) + -10a
(2 * 9 + -1a * 9) + -1(5a + 1) = 5(3 + -1a) + -10a
(18 + -9a) + -1(5a + 1) = 5(3 + -1a) + -10a

Reorder the terms:
18 + -9a + -1(1 + 5a) = 5(3 + -1a) + -10a
18 + -9a + (1 * -1 + 5a * -1) = 5(3 + -1a) + -10a
18 + -9a + (-1 + -5a) = 5(3 + -1a) + -10a

Reorder the terms:
18 + -1 + -9a + -5a = 5(3 + -1a) + -10a

Combine like terms: 18 + -1 = 17
17 + -9a + -5a = 5(3 + -1a) + -10a

Combine like terms: -9a + -5a = -14a
17 + -14a = 5(3 + -1a) + -10a
17 + -14a = (3 * 5 + -1a * 5) + -10a
17 + -14a = (15 + -5a) + -10a

Combine like terms: -5a + -10a = -15a
17 + -14a = 15 + -15a

Solving
17 + -14a = 15 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
17 + -14a + 15a = 15 + -15a + 15a

Combine like terms: -14a + 15a = 1a
17 + 1a = 15 + -15a + 15a

Combine like terms: -15a + 15a = 0
17 + 1a = 15 + 0
17 + 1a = 15

Add '-17' to each side of the equation.
17 + -17 + 1a = 15 + -17

Combine like terms: 17 + -17 = 0
0 + 1a = 15 + -17
1a = 15 + -17

Combine like terms: 15 + -17 = -2
1a = -2

Divide each side by '1'.
a = -2

Simplifying
a = -2

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