6a-3(3a-5)=-15-30-6a-30

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Solution for 6a-3(3a-5)=-15-30-6a-30 equation:


Simplifying
6a + -3(3a + -5) = -15 + -30 + -6a + -30

Reorder the terms:
6a + -3(-5 + 3a) = -15 + -30 + -6a + -30
6a + (-5 * -3 + 3a * -3) = -15 + -30 + -6a + -30
6a + (15 + -9a) = -15 + -30 + -6a + -30

Reorder the terms:
15 + 6a + -9a = -15 + -30 + -6a + -30

Combine like terms: 6a + -9a = -3a
15 + -3a = -15 + -30 + -6a + -30

Reorder the terms:
15 + -3a = -15 + -30 + -30 + -6a

Combine like terms: -15 + -30 = -45
15 + -3a = -45 + -30 + -6a

Combine like terms: -45 + -30 = -75
15 + -3a = -75 + -6a

Solving
15 + -3a = -75 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
15 + -3a + 6a = -75 + -6a + 6a

Combine like terms: -3a + 6a = 3a
15 + 3a = -75 + -6a + 6a

Combine like terms: -6a + 6a = 0
15 + 3a = -75 + 0
15 + 3a = -75

Add '-15' to each side of the equation.
15 + -15 + 3a = -75 + -15

Combine like terms: 15 + -15 = 0
0 + 3a = -75 + -15
3a = -75 + -15

Combine like terms: -75 + -15 = -90
3a = -90

Divide each side by '3'.
a = -30

Simplifying
a = -30

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