6(3a+5)-3(2a-5)=

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Solution for 6(3a+5)-3(2a-5)= equation:


Simplifying
6(3a + 5) + -3(2a + -5) = 0

Reorder the terms:
6(5 + 3a) + -3(2a + -5) = 0
(5 * 6 + 3a * 6) + -3(2a + -5) = 0
(30 + 18a) + -3(2a + -5) = 0

Reorder the terms:
30 + 18a + -3(-5 + 2a) = 0
30 + 18a + (-5 * -3 + 2a * -3) = 0
30 + 18a + (15 + -6a) = 0

Reorder the terms:
30 + 15 + 18a + -6a = 0

Combine like terms: 30 + 15 = 45
45 + 18a + -6a = 0

Combine like terms: 18a + -6a = 12a
45 + 12a = 0

Solving
45 + 12a = 0

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + 12a = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 12a = 0 + -45
12a = 0 + -45

Combine like terms: 0 + -45 = -45
12a = -45

Divide each side by '12'.
a = -3.75

Simplifying
a = -3.75

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