-28-4a=2(-7a-4)

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Solution for -28-4a=2(-7a-4) equation:


Simplifying
-28 + -4a = 2(-7a + -4)

Reorder the terms:
-28 + -4a = 2(-4 + -7a)
-28 + -4a = (-4 * 2 + -7a * 2)
-28 + -4a = (-8 + -14a)

Solving
-28 + -4a = -8 + -14a

Solving for variable 'a'.

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

Add '14a' to each side of the equation.
-28 + -4a + 14a = -8 + -14a + 14a

Combine like terms: -4a + 14a = 10a
-28 + 10a = -8 + -14a + 14a

Combine like terms: -14a + 14a = 0
-28 + 10a = -8 + 0
-28 + 10a = -8

Add '28' to each side of the equation.
-28 + 28 + 10a = -8 + 28

Combine like terms: -28 + 28 = 0
0 + 10a = -8 + 28
10a = -8 + 28

Combine like terms: -8 + 28 = 20
10a = 20

Divide each side by '10'.
a = 2

Simplifying
a = 2

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