7-5(5a-4)=6-4a

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Solution for 7-5(5a-4)=6-4a equation:


Simplifying
7 + -5(5a + -4) = 6 + -4a

Reorder the terms:
7 + -5(-4 + 5a) = 6 + -4a
7 + (-4 * -5 + 5a * -5) = 6 + -4a
7 + (20 + -25a) = 6 + -4a

Combine like terms: 7 + 20 = 27
27 + -25a = 6 + -4a

Solving
27 + -25a = 6 + -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.
27 + -25a + 4a = 6 + -4a + 4a

Combine like terms: -25a + 4a = -21a
27 + -21a = 6 + -4a + 4a

Combine like terms: -4a + 4a = 0
27 + -21a = 6 + 0
27 + -21a = 6

Add '-27' to each side of the equation.
27 + -27 + -21a = 6 + -27

Combine like terms: 27 + -27 = 0
0 + -21a = 6 + -27
-21a = 6 + -27

Combine like terms: 6 + -27 = -21
-21a = -21

Divide each side by '-21'.
a = 1

Simplifying
a = 1

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