3(4a+9)-10(a-6)=

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Solution for 3(4a+9)-10(a-6)= equation:


Simplifying
3(4a + 9) + -10(a + -6) = 0

Reorder the terms:
3(9 + 4a) + -10(a + -6) = 0
(9 * 3 + 4a * 3) + -10(a + -6) = 0
(27 + 12a) + -10(a + -6) = 0

Reorder the terms:
27 + 12a + -10(-6 + a) = 0
27 + 12a + (-6 * -10 + a * -10) = 0
27 + 12a + (60 + -10a) = 0

Reorder the terms:
27 + 60 + 12a + -10a = 0

Combine like terms: 27 + 60 = 87
87 + 12a + -10a = 0

Combine like terms: 12a + -10a = 2a
87 + 2a = 0

Solving
87 + 2a = 0

Solving for variable 'a'.

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

Add '-87' to each side of the equation.
87 + -87 + 2a = 0 + -87

Combine like terms: 87 + -87 = 0
0 + 2a = 0 + -87
2a = 0 + -87

Combine like terms: 0 + -87 = -87
2a = -87

Divide each side by '2'.
a = -43.5

Simplifying
a = -43.5

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