15=-4(a+2)+3a

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Solution for 15=-4(a+2)+3a equation:


Simplifying
15 = -4(a + 2) + 3a

Reorder the terms:
15 = -4(2 + a) + 3a
15 = (2 * -4 + a * -4) + 3a
15 = (-8 + -4a) + 3a

Combine like terms: -4a + 3a = -1a
15 = -8 + -1a

Solving
15 = -8 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
15 + a = -8 + -1a + a

Combine like terms: -1a + a = 0
15 + a = -8 + 0
15 + a = -8

Add '-15' to each side of the equation.
15 + -15 + a = -8 + -15

Combine like terms: 15 + -15 = 0
0 + a = -8 + -15
a = -8 + -15

Combine like terms: -8 + -15 = -23
a = -23

Simplifying
a = -23

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