-15(6a+9a-10a+10-20)=

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Solution for -15(6a+9a-10a+10-20)= equation:


Simplifying
-15(6a + 9a + -10a + 10 + -20) = 0

Reorder the terms:
-15(10 + -20 + 6a + 9a + -10a) = 0

Combine like terms: 10 + -20 = -10
-15(-10 + 6a + 9a + -10a) = 0

Combine like terms: 6a + 9a = 15a
-15(-10 + 15a + -10a) = 0

Combine like terms: 15a + -10a = 5a
-15(-10 + 5a) = 0
(-10 * -15 + 5a * -15) = 0
(150 + -75a) = 0

Solving
150 + -75a = 0

Solving for variable 'a'.

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

Add '-150' to each side of the equation.
150 + -150 + -75a = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -75a = 0 + -150
-75a = 0 + -150

Combine like terms: 0 + -150 = -150
-75a = -150

Divide each side by '-75'.
a = 2

Simplifying
a = 2

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