-10(a+9)+4a=

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Solution for -10(a+9)+4a= equation:


Simplifying
-10(a + 9) + 4a = 0

Reorder the terms:
-10(9 + a) + 4a = 0
(9 * -10 + a * -10) + 4a = 0
(-90 + -10a) + 4a = 0

Combine like terms: -10a + 4a = -6a
-90 + -6a = 0

Solving
-90 + -6a = 0

Solving for variable 'a'.

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

Add '90' to each side of the equation.
-90 + 90 + -6a = 0 + 90

Combine like terms: -90 + 90 = 0
0 + -6a = 0 + 90
-6a = 0 + 90

Combine like terms: 0 + 90 = 90
-6a = 90

Divide each side by '-6'.
a = -15

Simplifying
a = -15

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