6a-15-2a=2(-2a-4)-7

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Solution for 6a-15-2a=2(-2a-4)-7 equation:


Simplifying
6a + -15 + -2a = 2(-2a + -4) + -7

Reorder the terms:
-15 + 6a + -2a = 2(-2a + -4) + -7

Combine like terms: 6a + -2a = 4a
-15 + 4a = 2(-2a + -4) + -7

Reorder the terms:
-15 + 4a = 2(-4 + -2a) + -7
-15 + 4a = (-4 * 2 + -2a * 2) + -7
-15 + 4a = (-8 + -4a) + -7

Reorder the terms:
-15 + 4a = -8 + -7 + -4a

Combine like terms: -8 + -7 = -15
-15 + 4a = -15 + -4a

Add '15' to each side of the equation.
-15 + 15 + 4a = -15 + 15 + -4a

Combine like terms: -15 + 15 = 0
0 + 4a = -15 + 15 + -4a
4a = -15 + 15 + -4a

Combine like terms: -15 + 15 = 0
4a = 0 + -4a
4a = -4a

Solving
4a = -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
4a + 4a = -4a + 4a

Combine like terms: 4a + 4a = 8a
8a = -4a + 4a

Combine like terms: -4a + 4a = 0
8a = 0

Divide each side by '8'.
a = 0

Simplifying
a = 0

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