3(a+3)+2(a-2)=-15

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Solution for 3(a+3)+2(a-2)=-15 equation:


Simplifying
3(a + 3) + 2(a + -2) = -15

Reorder the terms:
3(3 + a) + 2(a + -2) = -15
(3 * 3 + a * 3) + 2(a + -2) = -15
(9 + 3a) + 2(a + -2) = -15

Reorder the terms:
9 + 3a + 2(-2 + a) = -15
9 + 3a + (-2 * 2 + a * 2) = -15
9 + 3a + (-4 + 2a) = -15

Reorder the terms:
9 + -4 + 3a + 2a = -15

Combine like terms: 9 + -4 = 5
5 + 3a + 2a = -15

Combine like terms: 3a + 2a = 5a
5 + 5a = -15

Solving
5 + 5a = -15

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 5a = -15 + -5

Combine like terms: 5 + -5 = 0
0 + 5a = -15 + -5
5a = -15 + -5

Combine like terms: -15 + -5 = -20
5a = -20

Divide each side by '5'.
a = -4

Simplifying
a = -4

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