-2a-4=6a+15

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Solution for -2a-4=6a+15 equation:


Simplifying
-2a + -4 = 6a + 15

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

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

Solving
-4 + -2a = 15 + 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.
-4 + -2a + -6a = 15 + 6a + -6a

Combine like terms: -2a + -6a = -8a
-4 + -8a = 15 + 6a + -6a

Combine like terms: 6a + -6a = 0
-4 + -8a = 15 + 0
-4 + -8a = 15

Add '4' to each side of the equation.
-4 + 4 + -8a = 15 + 4

Combine like terms: -4 + 4 = 0
0 + -8a = 15 + 4
-8a = 15 + 4

Combine like terms: 15 + 4 = 19
-8a = 19

Divide each side by '-8'.
a = -2.375

Simplifying
a = -2.375

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