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

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


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

Reorder the terms:
-5 = 5(-7 + a) + -4a
-5 = (-7 * 5 + a * 5) + -4a
-5 = (-35 + 5a) + -4a

Combine like terms: 5a + -4a = 1a
-5 = -35 + 1a

Solving
-5 = -35 + 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-5 + -1a = -35 + 1a + -1a

Combine like terms: 1a + -1a = 0
-5 + -1a = -35 + 0
-5 + -1a = -35

Add '5' to each side of the equation.
-5 + 5 + -1a = -35 + 5

Combine like terms: -5 + 5 = 0
0 + -1a = -35 + 5
-1a = -35 + 5

Combine like terms: -35 + 5 = -30
-1a = -30

Divide each side by '-1'.
a = 30

Simplifying
a = 30

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