(a-9)=-3(a-9)+10

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


Simplifying
(a + -9) = -3(a + -9) + 10

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

Remove parenthesis around (-9 + a)
-9 + a = -3(a + -9) + 10

Reorder the terms:
-9 + a = -3(-9 + a) + 10
-9 + a = (-9 * -3 + a * -3) + 10
-9 + a = (27 + -3a) + 10

Reorder the terms:
-9 + a = 27 + 10 + -3a

Combine like terms: 27 + 10 = 37
-9 + a = 37 + -3a

Solving
-9 + a = 37 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
-9 + a + 3a = 37 + -3a + 3a

Combine like terms: a + 3a = 4a
-9 + 4a = 37 + -3a + 3a

Combine like terms: -3a + 3a = 0
-9 + 4a = 37 + 0
-9 + 4a = 37

Add '9' to each side of the equation.
-9 + 9 + 4a = 37 + 9

Combine like terms: -9 + 9 = 0
0 + 4a = 37 + 9
4a = 37 + 9

Combine like terms: 37 + 9 = 46
4a = 46

Divide each side by '4'.
a = 11.5

Simplifying
a = 11.5

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