7(2a-4)-5=-5

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Solution for 7(2a-4)-5=-5 equation: 


Simplifying
7(2a + -4) + -5 = -5

Reorder the terms:
7(-4 + 2a) + -5 = -5
(-4 * 7 + 2a * 7) + -5 = -5
(-28 + 14a) + -5 = -5

Reorder the terms:
-28 + -5 + 14a = -5

Combine like terms: -28 + -5 = -33
-33 + 14a = -5

Solving
-33 + 14a = -5

Solving for variable 'a'.

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

Add '33' to each side of the equation.
-33 + 33 + 14a = -5 + 33

Combine like terms: -33 + 33 = 0
0 + 14a = -5 + 33
14a = -5 + 33

Combine like terms: -5 + 33 = 28
14a = 28

Divide each side by '14'.
a = 2

Simplifying
a = 2

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